220 results match your criteria Synchronized Electrical Cardioversion


Methohexital-Induced Seizure in a Patient Undergoing Conscious Sedation.

J Emerg Med 2020 Jun 18. Epub 2020 Jun 18.

Department of Emergency Medicine, UC San Diego Medical Center, San Diego, California; Division of Medical Toxicology, UC San Diego Medical Center, San Diego, California.

Background: Methohexital is a short-acting barbiturate used for procedural sedation in the emergency department (ED). As with other sedatives, adverse effects with methohexital include excess sedation and hypotension, but this agent can also lower the seizure threshold. We report a patient who developed a generalized seizure after administration of methohexital. Read More

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http://dx.doi.org/10.1016/j.jemermed.2020.05.012DOI Listing

A new risk model of assessing left atrial appendage thrombus in patients with atrial fibrillation - Using multiple clinical and transesophageal echocardiography parameters.

Int J Cardiol 2020 Sep 17;314:60-63. Epub 2020 Apr 17.

Heart and Vascular Institute, Stamford Hospital, Stamford, CT, USA. Electronic address:

Backgrounds: Predicting left atrial appendage thrombus (LAAT) in non-valvular atrial fibrillation (NVAF) patients need more precisely quantified risk models. In this study, we attempted to review the risk markers for LAAT and develop a simple and reliable model for LAAT prediction.

Methods: The study included 307 patients with NVAF who were scheduled for transesophageal echocardiography (TEE) to exclude LAA thrombus before synchronized electrical cardioversion or radiofrequency ablation for atrial fibrillation (AF). Read More

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http://dx.doi.org/10.1016/j.ijcard.2020.04.039DOI Listing
September 2020

Transient appearance of Brugada-like Type 1 electrocardiogram pattern immediately after biphasic synchronized electrical cardioversion for atrial fibrillation: a case series.

Eur Heart J Case Rep 2019 Dec 26;3(4):1-8. Epub 2019 Oct 26.

Cardiovascular Division, Free University of Brussels (UZ Brussel) VUB, Avenue du Laerbeek 101, 1090 Jette, Brussels, Belgium.

Background: ST-segment deviation post-electrical cardioversion is a common finding amongst a significant number of patients. However, the mechanism by which this phenomenon occurs and its clinical implications are not fully understood.

Case Summary: Four patients presented to our department with complaints of palpitations. Read More

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http://dx.doi.org/10.1093/ehjcr/ytz198DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7042143PMC
December 2019

New-onset lone maternal atrial fibrillation: A case report.

Medicine (Baltimore) 2020 Feb;99(7):e19156

Letterkenny University Hospital. Co. Donegal, Ireland.

Rationale: Atrial fibrillation (AF) is encountered rarely in pregnancy. Management of maternal AF is challenging as it poses a threat to both maternal and fetal well-being.

Patient Concerns: We report a case of a 35 weeks pregnant woman who presented in emergency with sudden-onset palpitations and mild shortness of breath with no personal/family history of cardiac diseases. Read More

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http://dx.doi.org/10.1097/MD.0000000000019156DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7035010PMC
February 2020

Incidence of supraventricular tachycardia after inhaled short-acting beta agonist treatment in children.

J Asthma 2020 Jan 6:1-10. Epub 2020 Jan 6.

Department of Pediatrics Division of Pediatric Emergency Medicine, University of Utah School of Medicine, Salt Lake City, UT, USA.

Albuterol can trigger supraventricular tachycardia (SVT). The clinical characteristics, incidence, and risk factors of SVT after inhaled SABA treatment in children are currently unknown. Through review of regional care delivery, we will describe cases of SVT during asthma treatment in hospital-based settings, define the incidence of SVT in our population, and evaluate risk factors of SABA-induced SVT. Read More

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http://dx.doi.org/10.1080/02770903.2019.1709867DOI Listing
January 2020
1.828 Impact Factor

Management of New-Onset Atrial Fibrillation in Pregnancy: When Should Early Delivery Be Considered?

J Obstet Gynaecol Can 2019 Dec 24. Epub 2019 Dec 24.

Department of Obstetrics and Gynecology, McGill University, Montréal, QC; Department of Maternal-Fetal Medicine, Jewish General Hospital, Montréal, QC.

Background: The hemodynamic and physiological changes of pregnancy may predispose women to cardiac arrhythmias such as atrial fibrillation (AF). Nevertheless, new-onset AF in pregnancy remains rare, and treatment is challenging. Current recommendations are to treat pregnant women with AF as non-pregnant adults, by using pharmacological or synchronized electrical cardioversion, without mention of gestational age or possibility of delivery. Read More

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http://dx.doi.org/10.1016/j.jogc.2019.09.010DOI Listing
December 2019

Management of Direct Oral Anticoagulants in Patients with Atrial Fibrillation Undergoing Cardioversion.

Medicina (Kaunas) 2019 Sep 30;55(10). Epub 2019 Sep 30.

Division of Cardiology, University Hospital "P. Giaccone", University of Palermo, Via del Vespro 129, p.c. 90127 Palermo, Italy.

Atrial fibrillation the most common cardiac arrhythmia. Its incidence rises steadily with each decade, becoming a real "epidemic phenomenon". Cardioversion is defined as a rhythm control strategy which, if successful, restores normal sinus rhythm. Read More

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http://dx.doi.org/10.3390/medicina55100660DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6843504PMC
September 2019
3 Reads

New T Wave Inversions Post Synchronized Cardioversion in a Patient With a Ventricular Pacemaker.

Ann Emerg Med 2019 06;73(6):627-630

Emergency Department, Naval Medical Center San Diego, San Diego, CA.

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https://linkinghub.elsevier.com/retrieve/pii/S01960644183158
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http://dx.doi.org/10.1016/j.annemergmed.2018.12.022DOI Listing
June 2019
12 Reads

Improvement of peripheral microcirculation after cardioversion of atrial fibrillation.

Pacing Clin Electrophysiol 2019 07 29;42(7):830-835. Epub 2019 May 29.

Diabetes Center Bochum-Hattingen, Medical Department I, St Josef-Hospital, University Hospital of the Ruhr-University Bochum, Bochum, Germany.

Background: Near-infrared spectroscopy (NIRS) is a noninvasive method to measure regional tissue oxygenation (rSO ). In patients with atrial fibrillation (AF), cardiac output and endothelial function are altered. Peripheral tissue oxygenation may therefore be reduced. Read More

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http://dx.doi.org/10.1111/pace.13723DOI Listing
July 2019
7 Reads

[Cardiac remodelling and function after cardiovascular implantable electronic devices implantation].

Pol Merkur Lekarski 2019 Apr;46(274):187-189

Department of Electrocardiology, the John Paul II Hospital, Cracow, Poland, Institute of Cardiology, Jagiellonian University Medical College, Cracow, Poland.

Cardiovascular implantable electronic devices (CIED) encompass permanent cardiac pacemakers (PM) and implantable cardioverterdefibrillators (ICD). CIED play an important role in treatment of cardiac arrhythmias, including significant bradyarrhythmias and tachyarrhythmias. The conventional right ventricular endocardial leads as well as right ventricular pacing may increase valvular defects (especially dysfunction of tricuspid and mitral valve), cause adverse cardiac remodelling and lead to a decrease in left ventricular ejection fraction. Read More

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April 2019
14 Reads

Cardiac arrest and atrial fibrillation in a patient after hump-nosed pit viper (Hypnale hypnale) bite.

Toxicon 2018 Jun 31;148:33-39. Epub 2018 Mar 31.

Department of Medicine, Faculty of Medicine, University of Peradeniya, Sri Lanka.

A 42-year-old previously healthy male patient died 16 days after a proven hump-nosed pit viper (Hypnale hypnale) envenoming due to multi-organ failure. On admission he had cardiac arrest that recovered from cardiopulmonary resuscitation then developed atrial fibrillation which was reverted to normal rhythm by application of synchronized electrical cardioversion. He also had persistent coagulopathy and thrombotic microangiopathy comprising the triad of microangiopathic haemolysis, acute kidney injury and thrombocytopenia. Read More

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http://dx.doi.org/10.1016/j.toxicon.2018.03.014DOI Listing
June 2018
7 Reads

Cryoballoon ablation for paroxysmal atrial fibrillation in a case of persistent left superior vena cava.

BMC Cardiovasc Disord 2018 03 13;18(1):51. Epub 2018 Mar 13.

Department of Cardiology, Wenzhou People's Hospital, Wenzhou, Zhejiang Province, 325000, China.

Background: Atrial fibrillation (AF) usually originates from pulmonary veins (PVs) but can also be caused by pulmonary veins outside, such as the coronary sinus (CS), the superior vena cava (SVC), and the ligament of Marshall.

Case Presentation: A 69-year-old male with a history of palpitations for 10 years was referred to our institute because of its recurrence for half a day. A dynamic electrocardiogram revealed sinus rhythm (SR) and paroxysmal AF. Read More

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http://dx.doi.org/10.1186/s12872-018-0789-1DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5851160PMC
March 2018
7 Reads

Termination of Idiopathic Sustained Monomorphic Ventricular Tachycardia by Synchronized Electrical Cardioversion during Pregnancy.

Authors:
Sungmin Lee

Acute Crit Care 2018 Feb 20;33(1):46-50. Epub 2017 Feb 20.

Department of Emergency Medicine, Chonnam National University Hospital, Gwangju, Korea.

The most common cardiac complications detected during pregnancy are an arrhythmia. However, idiopathic continuous monomorphic ventricular tachycardia (VT) during pregnancy is unusual. A 31-year-old pregnant woman presented at 20 weeks of gestation with progressive palpitation and episodes of agitation. Read More

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http://dx.doi.org/10.4266/acc.2016.00115DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6849009PMC
February 2018

Double sequential cardioversion for refractory ventricular tachycardia: A case report.

CJEM 2018 10 23;20(S2):S56-S60. Epub 2018 Jan 23.

†St. Michael's Hospital,Emergency Medicine,Toronto,ON.

ABSTRACTSustained monomorphic ventricular tachycardia (VT) can result in hypoperfusion or devolve into more dangerous rhythms such as ventricular fibrillation. In an unstable patient with VT and a pulse, synchronized cardioversion is the first-line treatment. When the VT is refractory to standard cardioversion, the next step is to add an antiarrhythmic, such as amiodarone, that carries with it the risk of lowering blood pressure in the already hypotensive patient. Read More

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http://dx.doi.org/10.1017/cem.2017.428DOI Listing
October 2018
3 Reads

Endocardial Activation Drives Activation Patterns During Long-Duration Ventricular Fibrillation and Defibrillation.

Circ Arrhythm Electrophysiol 2017 Dec;10(12)

From the Nora Eccles Harrison Cardiovascular Research and Training Institute (N.P., R.R., D.J.D.), Division of Cardiothoracic Surgery, Department of Surgery (D.J.D.), and Division of Cardiovascular Medicine, Department of Medicine (L.L., R.R., D.J.D.), University of Utah, Salt Lake City; and Division of Cardiovascular Disease, School of Medicine, University of Alabama at Birmingham (J.H., R.E.I.).

Background: Understanding the mechanisms that drive ventricular fibrillation is essential for developing improved defibrillation techniques to terminate ventricular fibrillation (VF). Distinct organization patterns of chaotic, regular, and synchronized activity were previously demonstrated in VF that persisted over 1 to 2 minutes (long-duration VF [LDVF]). We hypothesized that activity on the endocardium may be driving these activation patterns in LDVF and that unsuccessful defibrillation shocks may alter activation patterns. Read More

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http://dx.doi.org/10.1161/CIRCEP.117.005562DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5737741PMC
December 2017
12 Reads
1 Citation

Atrial Fibrillation: Current Therapies.

Authors:
Romain Pariaut

Vet Clin North Am Small Anim Pract 2017 Sep 20;47(5):977-988. Epub 2017 Jun 20.

Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, 930 Campus Road, Ithaca, NY 14853-6401, USA. Electronic address:

A rate control, or a rhythm control, strategy can be applied to the management of atrial fibrillation. Rate control of atrial fibrillation consists of decreasing the ventricular response rate by limiting the number of supraventricular impulses that can travel through the atrioventricular node. The goal of decreasing heart rate in dogs with atrial fibrillation is usually achieved with a combination of the calcium channel blocker diltiazem and digoxin. Read More

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http://dx.doi.org/10.1016/j.cvsm.2017.04.002DOI Listing
September 2017
55 Reads

External Defibrillator Damage Associated With Attempted Synchronized Dual-Dose Cardioversion.

Ann Emerg Med 2018 Jan 27;71(1):109-112. Epub 2017 May 27.

Department of Anesthesiology and Perioperative Medicine, Oregon Health & Science University, Portland, OR.

The simultaneous use of 2 external defibrillators to administer either dual or sequential cardioversion or defibrillation for refractory cardiac arrhythmias is increasing in both the out-of-hospital and inhospital settings. Using 2 defibrillators to administer higher energy levels than can be achieved with a single defibrillator is considered off-label and is currently not part of published advanced cardiac life support guidelines. We report the first case in which the use of dual-dose cardioversion was associated with external defibrillator damage. Read More

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http://dx.doi.org/10.1016/j.annemergmed.2017.04.005DOI Listing
January 2018
6 Reads

Comparison of Direct Current Synchronized Cardioversion to Ibutilide-Guided Catheter Ablation for Long-Term Sinus Rhythm Maintenance After Isolated Pulmonary Vein Isolation of Persistent Atrial Fibrillation.

Am J Cardiol 2017 06 29;119(12):1997-2002. Epub 2017 Mar 29.

Department of Cardiology, The Affiliated Hospital of Qingdao University, Qingdao City, Shandong Province, China.

Use of the antiarrhythmic ibutilide after isolated pulmonary vein isolation (PVI) might distinguish atrial remodeling severity and cases requiring further substrate modification, thereby improving efficacy of persistent atrial fibrillation (AF) treatment. Ninety-six consecutive patients with persistent AF were randomized after PVI to either direct current synchronized cardioversion (DCC group, n = 48) or 1 mg of intravenous ibutilide (ibutilide group, n = 48) followed by no further intervention if AF converted to sinus rhythm (SR) within 30 minutes (ibutilide conversion subgroup) or by complex fractionated atrial electrogram (CFAE) ablation until SR recovery or complete CFAE elimination (ibutilide nonconversion subgroup). With similarly distributed baseline characteristics and no serious postablation complications, the primary end point of 12-month SR maintenance rate after PVI was significantly higher for ibutilide versus the DCC group before (75% vs 56%; p = 0. Read More

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http://dx.doi.org/10.1016/j.amjcard.2017.03.027DOI Listing
June 2017
26 Reads

Atrial fibrillation in pregnancy: a growing challenge.

Curr Med Res Opin 2017 08 8;33(8):1497-1504. Epub 2017 Jun 8.

a First Department of Cardiology , Hippokration Hospital, University of Athens , Athens , Greece.

Background: Atrial fibrillation (AF) constitutes a relatively infrequent pregnancy complication, which may be a therapeutic Gordian knot. Indeed, sparse data exist regarding the prevalence, prognosis, and management of AF during pregnancy. In general, AF occurs as a benign, self-limited arrhythmia, but occasionally may have severe hemodynamic consequences in pregnant patients suffering from heart failure, congenital heart disease, or other comorbidities. Read More

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http://dx.doi.org/10.1080/03007995.2017.1330257DOI Listing
August 2017
147 Reads

Efficacy and effects on cardiac function of radiofrequency catheter ablation vs. direct current cardioversion of persistent atrial fibrillation with left ventricular systolic dysfunction.

PLoS One 2017 28;12(3):e0174510. Epub 2017 Mar 28.

Department of Cardiology, The Affiliated Hospital of Qingdao University, Qingdao, China.

Objective: To evaluate the effect of catheter ablation vs. direct current synchronized cardioversion (DCC) in patients with persistent atrial fibrillation (AF) and left ventricular systolic dysfunction, and to define baseline features of patients that will get more benefit from ablation.

Methods: From July 2013 to October 2014, 97 consecutive single-center patients with persistent AF and symptomatic heart failure (left ventricular ejection fraction (LVEF) <50%) underwent DCC followed by amiodarone (n = 40) or circumferential pulmonary vein isolation (PVI; n = 57) according to patient's preference were recruited in the study. Read More

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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0174510PLOS
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5370131PMC
August 2017
15 Reads

Acute Management of Refractory and Unstable Pediatric Supraventricular Tachycardia.

J Pediatr 2017 02 29;181:177-182.e2. Epub 2016 Nov 29.

Department of Pediatrics, Division of Pediatric Emergency Medicine, University of Pittsburgh, Pittsburgh, PA. Electronic address:

Objective: To characterize the management of acute pediatric supraventricular tachycardia (SVT), placing special emphasis on infants, patients refractory to adenosine (refractory SVT), and patients with hypotension, poor perfusion, or altered mental status (unstable SVT).

Study Design: Retrospective cohort study of patients 0-18 years of age without congenital heart disease who presented to our pediatric hospital from January 2003 to December 2012 for the treatment of acute SVT. Multiple logistic regression was applied to identify whether age was a risk factor for different SVT therapies. Read More

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http://dx.doi.org/10.1016/j.jpeds.2016.10.051DOI Listing
February 2017
12 Reads

ST-segment Elevation Following Cardioversion of Atrial Fibrillation in the Emergency Department: Unmasked Myocardial Infarction due to Left Main Coronary Artery Plaque Rupture or Unspecific Finding?

CJEM 2017 Jul 13;19(4):312-316. Epub 2016 Sep 13.

*Department of Internal Medicine,Jena University Hospital,Jena,Germany.

Atrial fibrillation (AF) is a frequent reason for emergency department visits. According to current guidelines either rate- or rhythm-control are acceptable therapeutic options in such situations. In this report, we present the complicated clinical course of a patient with AF and a rapid ventricular response. Read More

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http://dx.doi.org/10.1017/cem.2016.352DOI Listing
July 2017
47 Reads

Evidence for Acute Myocardial and Skeletal Muscle Injury after Serial Transthoracic Shocks in Healthy Swine.

PLoS One 2016 9;11(9):e0162245. Epub 2016 Sep 9.

Philippa & Marvin Carsley CMR Centre at the Montreal Heart Institute, Montreal, QC, Canada.

Background: Previous serological studies have shown controversial results whether defibrillation or cardioversion can cause myocardial injury. Cardiovascular Magnetic Resonance (CMR) can be used to detect myocardial edema, hyperemia and capillary leak as features of acute myocardial injury. The aim of this study was to assess for myocardial and skeletal muscle injury in swine following transthoracic shocks. Read More

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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0162245PLOS
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5017707PMC
August 2017
44 Reads
1 Citation
3.234 Impact Factor

Predictors of Atrial Fibrillation Recurrence in Hyperthyroid and Euthyroid Patients.

Arq Bras Cardiol 2016 Feb 26;106(2):84-91. Epub 2016 Jan 26.

Department of Cardiology, Bursa Postgraduate Hospital, Bursa, Turkey.

Background: Atrial fibrillation (AF) is the most common arrhythmia in adults, and is encountered in 10-15% of the patients with hyperthyroidism. Unless euthyroidism is restored, pharmacological or electrical cardioversion is controversial in patients with AF who remain hyperthyroid.

Objective: The aim of this study was to assess the efficacy of electrical cardioversion and predictors of AF recurrence in hyperthyroid and euthyroid patients. Read More

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http://dx.doi.org/10.5935/abc.20160013DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4765005PMC
February 2016
28 Reads

Disappointing Success of Electrical Cardioversion for New-Onset Atrial Fibrillation in Cardiosurgical ICU Patients.

Crit Care Med 2015 Nov;43(11):2354-9

1Cardiosurgical Intensive Care Unit, Institute of Anesthesiology, University Hospital Zurich, Zurich, Switzerland. 2Department of Cardiology, University Heart Center, University Hospital Zurich, Zurich, Switzerland. 3Epidemiology, Biostatistics and Prevention Institute (EBPI), Department of Biostatistics, University of Zurich, Zurich, Switzerland.

Objectives: To assess the success of electrical cardioversion for the treatment of new-onset atrial fibrillation in critically ill patients and to evaluate the stability of sinus rhythm in responders during the subsequent 24 hours.

Design: Retrospective study.

Setting: Twelve-bed cardiosurgical ICU at a university hospital. Read More

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http://pdfs.journals.lww.com/ccmjournal/9000/00000/Disappoin
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http://www.icm-experimental.com/content/pdf/2197-425X-3-S1-A
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http://content.wkhealth.com/linkback/openurl?sid=WKPTLP:land
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http://dx.doi.org/10.1097/CCM.0000000000001257DOI Listing
November 2015
36 Reads

Heartbeat Cycle Length Detection by a Ballistocardiographic Sensor in Atrial Fibrillation and Sinus Rhythm.

Biomed Res Int 2015 1;2015:840356. Epub 2015 Jul 1.

Department of Cardiology, Pneumology, Angiology and Intensive Care Medicine, University Hospital, RWTH Aachen University, Pauwelsstrasse 30, 52074 Aachen, Germany.

Background: Heart rate monitoring is especially interesting in patients with atrial fibrillation (AF) and is routinely performed by ECG. A ballistocardiography (BCG) foil is an unobtrusive sensor for mechanical vibrations. We tested the correlation of heartbeat cycle length detection by a novel algorithm for a BCG foil to an ECG in AF and sinus rhythm (SR). Read More

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http://dx.doi.org/10.1155/2015/840356DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4502283PMC
May 2016
42 Reads

[Cardioversion for paroxysmal supraventricular tachycardia during lung surgery in a patient with concealed Wolff-Parkinson-White syndrome].

Masui 2014 Oct;63(10):1106-10

We report a case of paroxysmal supraventricular tachycardia (PSVT) that occurred during video-assisted thoracoscopic (VATS) lobectomy in a patient with concealed Wolff-Parkinson-White (WPW) syndrome. A 59-year-old man with lung cancer was scheduled for VATS lobectomy under general anesthesia. After inserting a thoracic epidural catheter, general anesthesia was induced with intravenous administration of propofol. Read More

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October 2014
19 Reads

Supraventricular Tachycardia Cardioverted by an Automated External Debrillator in a 9-year-old Male with a History of Wolff-Parkinson-White Syndrome.

Prehosp Emerg Care 2015 Jul-Sep;19(3):448-50. Epub 2015 Feb 9.

Early defibrillation for cardiac arrest patients is a formidable link in the chain of survival promulgated by the American Heart Association. Automated external defibrillators (AEDs) provide public access defibrillation for out-of-hospital cardiac arrests and improve survivability. AEDs are only approved for use in patients in cardiac arrest; defibrillation may be inadvertently advised if utilized on a patient not experiencing cardiac arrest. Read More

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http://dx.doi.org/10.3109/10903127.2014.995849DOI Listing
March 2016
15 Reads

Cardioversion of atrial fibrillation in a dog with structural heart disease using an esophageal-right atrial lead configuration.

J Vet Cardiol 2014 Dec 7;16(4):277-81. Epub 2014 Oct 7.

Michigan State University, College of Veterinary Medicine, East Lansing, MI, USA.

Atrial fibrillation is a common arrhythmia in dogs with structural cardiac disease and can result in significant clinical signs. Several methods of electrical cardioversion of atrial fibrillation have been described. Biphasic transthoracic cardioversion of atrial fibrillation in dogs with naturally occurring heart disease has been described in veterinary medicine and has been shown to be highly successful. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S17602734140006
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http://dx.doi.org/10.1016/j.jvc.2014.09.001DOI Listing
December 2014
31 Reads

Detection of atrial fibrillation using contactless facial video monitoring.

Heart Rhythm 2015 Jan 29;12(1):195-201. Epub 2014 Aug 29.

Heart Research Follow-up Program, Cardiology Department, University of Rochester Medical Center, University of Rochester, New-York.

Background: It is estimated that 33.5 million people in the world have developed atrial fibrillation (AF), and an estimated 30% of patients with AF are unaware of their diagnosis (silent AF).

Objective: The purpose of this study was to test a new technology for contactless detection of AF based on facial video recordings. Read More

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http://dx.doi.org/10.1016/j.hrthm.2014.08.035DOI Listing
January 2015
19 Reads

Ventricular fibrillation following synchronized cardioversion in junctional ectopic tachycardia: a pediatric case report.

AACN Adv Crit Care 2014 Jan-Mar;25(1):20-2

Serena Phromsivarak Kelly is Nurse Practitioner, Pediatric Intensive Care Unit, Doernbecher Children's Hospital, Oregon Health & Science University, Portland, Oregon. Patricia Shoun is Staff Nurse, Pediatric Intensive Care Unit, Doernbecher Children's Hospital, Oregon Health & Science University, Portland, Oregon. Joanne Mikol is Staff Nurse, Pediatric Intensive Care Unit, Doernbecher Children's Hospital, Oregon Health & Science University, Portland, Oregon. Robert Steelman is Associate Professor, Pediatric Critical Care Medicine/Anesthesiology, Oregon Health & Science University, 700 SW Campus Dr, Portland, OR 97239

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http://acc.aacnjournals.org/cgi/doi/10.1097/NCI.000000000000
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http://dx.doi.org/10.1097/NCI.0000000000000008DOI Listing
December 2014
17 Reads

Successful treatment of atrial flutter with propafenone and synchronized cardioversion in a newborn.

Indian J Pediatr 2014 Apr 15;81(4):413-4. Epub 2013 Sep 15.

Department of Neonatology, Meram School of Medicine Hospital, Necmettin Erbakan University, Konya, 42080, Turkey,

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http://dx.doi.org/10.1007/s12098-013-1224-3DOI Listing
April 2014
16 Reads

Atrial fibrillation with rapid ventricular response resulting from low-voltage electrical injury.

J Emerg Med 2013 Nov 9;45(5):e149-51. Epub 2013 Aug 9.

Department of Emergency Medicine, Navy Medical Center San Diego, San Diego, California.

Background: Cardiac dysrhythmias after electrical injury have been reported previously, however, atrial fibrillation after low-voltage electrical injury is extremely rare. We present a case of atrial fibrillation with rapid ventricular response resulting from a low-voltage electrical injury.

Case Report: A 24-year-old active duty Navy sailor presented to the emergency department after an electrical shock from a 440-V furnace. Read More

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http://dx.doi.org/10.1016/j.jemermed.2013.05.043DOI Listing
November 2013
13 Reads

Comparison of pharmacological and electrical cardioversion in permanent atrial fibrillation after prosthetic cardiac valve replacement: a prospective randomized trial.

J Int Med Res 2013 Aug 21;41(4):1067-73. Epub 2013 Jun 21.

Department of Cardiac Surgery, Second Hospital of Lanzhou University, Lanzhou, China.

Objective: To compare the efficacy of electrical versus pharmacological cardioversion following prosthetic cardiac valve replacement in patients with permanent atrial fibrillation (AF).

Methods: Patients with permanent AF who had undergone prosthetic cardiac valve replacement, who had a cardiothoracic ratio ≤ 0.5 and a left atrial diameter ≤ 50 mm for ≥ 6 months after surgery were randomly divided to receive either electrical or pharmacological cardioversion. Read More

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http://dx.doi.org/10.1177/0300060513489800DOI Listing
August 2013
49 Reads

Prehospital synchronized electrical cardioversion of a poorly perfused SVT patient by paramedics.

Prehosp Disaster Med 2013 Jun 14;28(3):301-4. Epub 2013 Mar 14.

Department of Epidemiology and Preventative Medicine, Monash University, Melbourne, Victoria, Australia.

Synchronized Direct Current Cardioversion (SDC) is an established therapy for the termination of supraventricular tachycardia (SVT - either atrio-ventricular nodal reentry tachycardia (AVNRT) or atrio-ventricular reentrant tachycardia (AVRT)) with poor perfusion. The evidence is extremely limited with regard to the safety and effectiveness of this therapy. In Australia, half of the eight ambulance services include SDC within their clinical practice guidelines for the management of poorly perfused SVT; however the degree of variation in the application of SDC across these guidelines suggests a need to quantify the practice. Read More

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http://dx.doi.org/10.1017/S1049023X13000174DOI Listing
June 2013
25 Reads

Expanding the availability of extracorporeal cardiopulmonary resuscitation.

Pediatrics 2013 Mar 4;131(3):e934-8. Epub 2013 Feb 4.

Division of Pediatric Cardiac Surgery, Seattle Children's Hospital, Seattle, WA 98105-0371, USA.

A healthy 14-year-old presented to an emergency department in Alaska, complaining of shortness of breath, chest pain, and 72 hours of malaise and headache. On admission, her blood pressure was 80/50 mm Hg, and she had cool extremities. Electrocardiography revealed wide-complex ventricular tachycardia. Read More

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http://pediatrics.aappublications.org/content/pediatrics/ear
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http://pediatrics.aappublications.org/cgi/doi/10.1542/peds.2
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http://dx.doi.org/10.1542/peds.2011-2371DOI Listing
March 2013
10 Reads

A serious cause of panic attack.

Case Rep Emerg Med 2012 12;2012:393275. Epub 2012 Jun 12.

Department of Emergency Medicine, The Ohio State University Medical Center, 750 Prior Hall, 376 W 10th Avenue, Columbus, OH 43210, USA.

We report on a case of a patient with atrial fibrillation in the setting of Wolff-Parkinson-White syndrome. The patient underwent synchronized electrical cardioversion, typically considered safe and effective, which resulted in a dangerous complication for the patient (degeneration into ventricular fibrillation). Discussion of common rhythm disturbances in WPW and management strategies are reviewed. Read More

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http://dx.doi.org/10.1155/2012/393275DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3542895PMC
January 2013
15 Reads

A comparison of rectilinear and truncated exponential biphasic waveforms in elective cardioversion of atrial fibrillation: a prospective randomized controlled trial.

Resuscitation 2013 Mar 27;84(3):286-91. Epub 2012 Jul 27.

Department of Anaesthetics, University Hospital Southampton NHS Foundation Trust, Southampton SO16 6YD, UK.

Background: Several different biphasic waveforms are used clinically, but few studies have compared their efficacy. The two main waveforms are the biphasic rectilinear (BR) and biphasic truncated exponential (BTE) waveforms, both of which have important differences, particularly at the extremes of transthoracic impedance.

Objective: To compare the efficacy of two commonly used defibrillation waveforms in the elective cardioversion of atrial fibrillation. Read More

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http://dx.doi.org/10.1016/j.resuscitation.2012.07.010DOI Listing
March 2013
53 Reads

Worsening dyspnea in a man with 2 hearts.

Ann Emerg Med 2012 Jul 11;60(1):67-70. Epub 2012 Jan 11.

Emergency Department, Ospedale Civile Maggiore, Azienda Ospedaliera di Verona, Verona, Italy.

We report a case of dyspnea in a 71-year-old man who underwent heterotopic heart transplantation in 2003. At presentation, electrocardiography showed ventricular fibrillation of the native heart and then a progression to both donor and recipient hearts. Synchronized electrical cardioversion restored sinus rhythm and relieved the patient from his symptoms. Read More

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http://dx.doi.org/10.1016/j.annemergmed.2011.11.039DOI Listing
July 2012
15 Reads

Successful electrical cardioversion of supraventricular tachycardia in a pregnant patient.

Am J Case Rep 2012 9;13:33-5. Epub 2012 Mar 9.

Numune Research and Training Hospital, Department of Emergency, Ankara, Turkey.

Background: Pregnancy can precipitate cardiac arrhythmias not previously present in seemingly well individuals. Atrial and ventricular premature beats are frequently present during pregnancy and are usually benign. Supraventricular tachycardia and malignant ventricular tachyarrhythmias occur less frequently. Read More

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http://dx.doi.org/10.12659/AJCR.882594DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3615988PMC
April 2013
48 Reads

[Usage of a defibrillator].

Authors:
Masahiko Inomata

Nihon Rinsho 2011 Apr;69(4):695-8

Engineering Department 2, Biomedical Instrument Technology Center, Nihon Kohden Corporation.

Guideline 2010 for cardiopulmonary resuscitation was released the other day. There is no big change in the use of a defibrillator. Asynchronous defibrillation is used as a therapy for VF and pulseless VT. Read More

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April 2011
11 Reads

Management of Atrial Fibrillation in Pregnancy.

J Atr Fibrillation 2010 Oct-Nov;3(3):295. Epub 2010 Oct 22.

Cardiology Unit, Madre Giuseppina Vannini Hospital, Rome, Italy.

Pregnancy is accompanied by a variety of cardiovascular changes in normal women; all of these changes are thought to promote arrhythmogenesis. Atrial fibrillation is unusual during pregnancy and it can represent a benign, self-limited lone atrial fibrillation or can be hemodynamically significant in parturient with or without structural heart disease. Management of atrial fibrillation should be the same as in non-pregnant women, but requires faster intervention, even in patients with a normal heart function, and cautious use of medication to avoid harm to the fetus. Read More

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http://dx.doi.org/10.4022/jafib.295DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4955905PMC
October 2010
15 Reads

Induction of life-threatening supraventricular tachycardia during central venous catheter placement: an unusual complication.

J Pediatr Surg 2010 Aug;45(8):E13-6

Pediatric Intensive Care Unit, Department of Pediatrics, Hospital do Servidor Público Municipal, São Paulo 01050-904, Brazil.

Unlabelled: Cardiac arrhythmias during central venous catheter (CVC) insertion are typically transient events with no hemodynamic repercussions. Pediatric reports on this condition are scarce and fail to describe potentially life-threatening complications.

Case: A 14-day-old boy was admitted to the pediatric intensive care unit presenting with septic shock. Read More

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http://dx.doi.org/10.1016/j.jpedsurg.2010.05.013DOI Listing
August 2010
15 Reads

The optimal phasic relationship between synchronized shock and mechanical chest compressions.

Resuscitation 2010 Jun 25;81(6):724-9. Epub 2010 Mar 25.

Weil Institute of Critical Care Medicine, Rancho Mirage, CA, USA.

Objective: Pauses for shock delivery in chest compressions are detrimental to the success of resuscitation and may be eliminated with the use of mechanical chest compressors. However, the optimal phasic relationship between mechanical chest compression and defibrillation is still unknown. We therefore undertook a study to assess the effects of timing of defibrillation in the mechanical chest compression cycle on the defibrillation threshold (DFT) using a porcine model of cardiac arrest. Read More

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https://www.researchgate.net/profile/Tao_Yu/publication/4260
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http://dx.doi.org/10.1016/j.resuscitation.2010.02.022DOI Listing
June 2010
26 Reads

Electrical cardioversion of sustained ventricular tachycardia in three Boxers.

Authors:
Robert Prosek

J Am Vet Med Assoc 2010 Mar;236(5):554-7

Veterinary Specialists Incorporated, Animal Heart Centers, 91 NE 6th St, Homestead, FL 33030, USA.

Case Description: 2 spayed female (8 and 9 years old) and 1 sexually intact male (6.5 years old) Boxers were treated because of sustained ventricular tachycardia by electrical cardioversion.

Clinical Findings: Physical examination of the 8-year-old female Boxer revealed tachycardia (heart rate, 250 beats/min), weak femoral pulses, pale mucous membranes, panting, and lethargy. Read More

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http://dx.doi.org/10.2460/javma.236.5.554DOI Listing
March 2010
12 Reads

Defibrillator synchronization tester.

Conf Proc IEEE Eng Med Biol Soc 2009 ;2009:3012-5

A defibrillator sync output signal connector provides an ECG synchronization signal that can be used by some defibrillators for the purpose of performing synchronized cardioversion [1]. This process is used to stop an abnormally fast heart rate or cardiac arrhythmia by the delivery of a therapeutic dose of electric current to the heart during the R-wave of the cardiac cycle. Timing the shock to the R-wave prevents the delivery of the shock during the vulnerable period of the cardiac cycle, which could induce ventricular fibrillation [2]. Read More

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http://dx.doi.org/10.1109/IEMBS.2009.5332840DOI Listing
March 2010
18 Reads

Ventricular tachycardia with hemodynamic instability refractory to cardioversion: a case report.

Kaohsiung J Med Sci 2009 Dec;25(12):675-9

Department of Emergency Medicine, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung, Taiwan.

Accurate diagnosis of wide QRS complex tachycardia is difficult in emergent situations. According to the Advanced Cardiac Life Support (ACLS) tachycardia algorithm of the American Heart Association, immediate synchronized cardioversion should be applied to patients with wide QRS tachycardia with any evidence of hemodynamic instability. However, this may not be appropriate in all patients, especially those with idiopathic left ventricular tachycardia. Read More

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http://dx.doi.org/10.1016/S1607-551X(09)70574-1DOI Listing
December 2009
17 Reads

Cardiac resynchronization implantable cardioverter defibrillator: normal or abnormal behaviour?

Europace 2010 Jan;12(1):139-41

Department of Cardiology, University Hospital Gasthuisberg, University of Leuven, Herestraat 49, B-3000 Leuven, Belgium.

Cardiac resynchronization permits atrial-synchronized simultaneous pacing of both left and right ventricles in order to optimize mechanical contraction. In case of an atrial tachycardia, a VVI-'ventricular sense'-tracking modus can be programmed to maintain biventricular pacing. In this case report, we describe the use of this modus. Read More

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http://dx.doi.org/10.1093/europace/eup329DOI Listing
January 2010
12 Reads

Cardiovascular responses to transvenous electrical cardioversion of atrial fibrillation in anaesthetized horses.

Vet Anaesth Analg 2009 Jul;36(4):341-51

Faculty of Veterinary Medicine, Department of Surgery and Anaesthesia of Domestic Animals, Ghent University, Salisburylaan, Merelbeke, Belgium.

Objective: To examine the influence of direct current shock application in anaesthetized horses with atrial fibrillation (AF) and to study the effects of cardioversion to sinus rhythm (SR).

Study Design: Prospective clinical study.

Animals: Eight horses successfully treated for AF (transvenous electrical cardioversion after amiodarone pre-treatment). Read More

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http://dx.doi.org/10.1111/j.1467-2995.2009.00470.xDOI Listing
July 2009
22 Reads