A 48-year-old man from rural Brazil presents to the cardiology clinic with palpitations and mild dyspnea on exertion. An echocardiogram reveals a left…

…hip arthroplasty. Pre-operative cardiac stress testing was not performed due to patient preference and a low Revised Cardiac Risk Index (RCRI) score. On post…

…a dilated left ventricle with a left ventricular ejection fraction (LVEF) of 30% and severe secondary mitral regurgitation (SMR) due to tethering of the leaflets…

…failure, including oliguria and rising serum lactate. His neurologic status is uncertain due to the recent cardiac arrest, and he remains unresponsive off sedation. Which…

A 62-year-old male presents to the emergency department complaining of sudden-onset palpitations. An electrocardiogram (ECG) demonstrates a narrow complex tachycardia with a…

A 71-year-old woman in the Intensive Care Unit (ICU) with Covid-19 (SARS-COV-2) infection produced this ECG. The findings are consistent…

…infection. Your colleague suggests his ECG shows acute perimyocarditis. Are there signs of acute perimyocarditis? Are the precordial T-waves within normal limits? Click to…

Are there any signs of myocardial infarction? Pay attention to lead III in particular. The paper speed is 50 mm/s. Chest leads Limb leads

A 68-year-old male with a history of myocardial infarction (MI) 5 months ago and symptomatic heart failure (NYHA Class II) is being evaluated…

A 68-year-old male with a history of prior myocardial infarction presents to the emergency department with palpitations and near-syncope. His ECG shows…