…sinus rhythm with a PR interval of 160 ms and a QRS duration of 95 ms. Cardiac magnetic resonance (CMR) imaging demonstrates normal left ventricular…

…rate of 69 beats per minute. The PR interval is 180 ms (normal). The QRS duration is 84 ms (normal). The QTc (corrected QT) interval…

…secondary tricuspid regurgitation (TR), significant right atrial dilation, and elevated pulmonary pressures. He also has a history of atrial fibrillation. The surgical team is debating…

…treated with low-dose lisinopril and carvedilol. A recent transthoracic echocardiogram reveals severe secondary mitral regurgitation (MR) with significant left ventricular dilation. Which of the…

A 62-year-old male with a history of hypertension and known left ventricular hypertrophy (LVH) presents to the emergency department with atypical chest pain…

…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…

A 68-year-old man with a history of persistent atrial fibrillation (AF) underwent extensive left atrial ablation, including circumferential antral pulmonary vein isolation and…

…emergency department with acute onset chest pain that started six hours ago. The pain is described as intense and crushing, radiating to her left shoulder…

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

…Rate 126 beats/min Atrial Rate 126 beats/min QRS Duration 90 ms QT Interval 334 ms QT Corrected 483 ms RAxis 243 ms TAxis…