…is completely normal, showing a PR interval of 150 ms and a QRS duration of 80 ms without any evidence of pre-excitation. An electrophysiology…

…duration of diabetes, sex, age and symptoms are all suggestive of myocardial ischemia. Your colleague suggests that the ECG shows right bundle branch block (RBBB…

A 31-year-old female with a history of surgically repaired transposition of the great arteries presents to the adult congenital heart disease clinic for…

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

…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…

…fraction of 50% with mild right ventricular dilation. He is an avid competitive cyclist and asks for advice regarding his training regimen. Which of the…

…a QRS duration of 150 ms with a right bundle branch block (RBBB) morphology. Carotid sinus massage is performed without effect. Which of the following…

…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…

…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…