…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…

…with a long-standing history of persistent atrial fibrillation presents with progressive lower extremity edema and exertional fatigue. Echocardiography reveals severe secondary tricuspid regurgitation with…

…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%…

…AVRT). If this patient undergoes an electrophysiology study, which of the following is detected in 30% to 60% of patients with this specific spontaneous arrhythmia?

…emergency department with sustained monomorphic ventricular tachycardia (VT). He is hemodynamically stable. An ECG during VT shows a QRS duration of 160 ms with a…

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

…old male with a history of hypertension presents to the clinic for a routine follow-up. He reports no chest pain or shortness of breath…

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…

…lead –aVR, which is consistent with an electrical axis of 30 degrees ( lead –aVR is located at 30 degrees in the coordinate system ). Finally you…