…the membrane potential occurring during the repolarization phase, specifically identified as early after-depolarizations. What is the fundamental electrophysiologic classification of this patient's arrhythmia?

…conditions such as hypertension or valvular disease. Cardiac magnetic resonance (CMR) confirms the diagnosis of hypertrophic cardiomyopathy (HCM). You are counseling the patient regarding the…

…She is identified as high-risk for cancer therapy-related cardiomyopathy and is undergoing serial left ventricular ejection fraction (LVEF) monitoring. An echocardiogram reveals a…

…a mean transaortic gradient of 25 mmHg, an aortic valve area of 0.8 cm², and a stroke volume index of 28 mL/m² (consistent…

A patient with NSTEMI undergoes successful PCI, but subsequently develops sinus bradycardia with hemodynamic intolerance, and episodes of high-degree AV block without stable escape…

A patient's ECG shows intermittently non-conducted P waves with a fixed PR interval. What type of AV block does this describe, and what…

This 54-year-old patient with Covid-19 (Sars-Cov-2) has a slightly irregular rhythm. What is the rhythm and should you be concerned…

A 64 year old male patient with hypertension. ECG is recorded during his annual health screening. He is asymptomatic during the recording. Heart rate 67…

…diabetic, and obese patient presents with a sudden onset of shortness of breath and chest pressure while walking. She mentions occasional episodes of chest pain…

…elevated. An ECG shows no ST-segment elevation. Given the clinical context, which of the following statements regarding this patient's presentation is most accurate…

…stressful periods, such as exam periods. The patient experiences palpitations with sudden onset and occassionally the sensation that the heart skips a beat. Clinical examination…

…An ECG shows a monomorphic ventricular tachycardia (VT). Initial attempts at intravenous amiodarone administration are unsuccessful, and the VT persists despite the infusion. The patient…