Predictive value of electrocardiogram Morphology-Voltage-P wave duration score for new episodes of atrial fibrillation in patients with acute myocardial infarction: a retrospective study.

In the echocardiographic parameters, a significant trend was observed: the left atrial anteroposterior diameter increased from the low-risk group (40 mm) to the high-risk group (45 mm) ( P < 0.001), and LVEF decreased across risk categories, with a median of 45% in the low-risk group, 40% in the medium-risk group, and 35% in the high-risk group ( P < 0.001).

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