…pregnancy. An echocardiogram demonstrates a left ventricular ejection fraction (LVEF) of 35% with left ventricular dilation. She has no prior history of cardiovascular disease. In…

A 72-year-old man with a long-standing history of persistent atrial fibrillation presents with progressive lower extremity edema and exertional fatigue. Echocardiography reveals…

…24-hour Holter monitor placed prior to the initiation of oncological treatment. Initial echocardiography reveals mild left ventricular dilation and an ejection fraction of 48%…

A 26-year-old male with known Wolff-Parkinson-White (WPW) syndrome presents to the emergency department with an abrupt onset of palpitations and lightheadedness…

…duration of 160 ms with a left bundle branch block (LBBB) morphology and a QS complex in V1. Coronary angiography reveals non-obstructive coronary artery…

…syndrome (ACS) who stop dual antiplatelet therapy (DAPT) to undergo coronary artery bypass grafting (CABG), what is the recommended duration for resuming DAPT after surgery…

…He reports no chest pain or shortness of breath. His ECG shows Q waves of 0.025 seconds duration and 1.2 mm depth in…

Which of the following ECG findings is typically considered a normal variant in asymptomatic athletes with no significant family history?

…His cardiovascular risk profile, duration of diabetes, sex, age and symptoms are all suggestive of myocardial ischemia. Your colleague suggests that the ECG shows right…

…The ECG shows a heart rate of 69 beats per minute. The PR interval is 180 ms (normal). The QRS duration is 84 ms (normal…