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Prognostic significance of QRS distortion and frontal QRS-T angle in patients with ST-elevation myocardial infarction.

Int J Cardiol 2021 12 27;345:1-6. Epub 2021 Oct 27.

Department of Cardiovascular Center, Jilin University First Hospital, China. Electronic address:

Background: QRS distortion (G3I) and frontal QRS-T angle (fQRS-T angle) are both electrocardiographic (ECG) signs of ongoing ischemia and depolarization-repolarization heterogeneity, which always occur in patients with ST-segment elevation acute myocardial infarction (STEMI).

Methods: We retrospectively collected 592 STEMI patients who underwent coronary angiography and follow-up for 42 months. 1. Read More

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December 2021
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