Study uncovers the impact of myocardial infarction on the cardiac conduction system, revealing insights into arrhythmogenesis ...

He had a history of atrial fibrillation (AF) that initially occurred 2 years before in the context of streptococcal ...

There was electrocardiographic evidence of enlargement of the left atrium in 4 subjects and first-degree atrioventricular block in 2; however, there was no electrocardiographic evidence of ...