…URL). A repeat cTn level 3 hours later is essentially unchanged. Which of the following is the MOST appropriate next step in evaluating this patient?

…on exertion. An echocardiogram reveals a left ventricular ejection fraction of 42% and an apical aneurysm. Serologic testing confirms infection with Trypanosoma cruzi. Cardiac magnetic…

…tract infection. She has no prior history of arrhythmias and no established electrophysiologic diagnosis. What is the recommended first step in the acute management of…

…She has no prior history of infective endocarditis. Which of the following is the most appropriate recommendation regarding infective endocarditis prophylaxis prior to her dental…

…the Intensive Care Unit (ICU) with Covid-19 (SARS-COV-2) infection produced this ECG. The findings are consistent with all of the following except …

…December 2020, and has experienced pleuritic chest pain since the infection. Your colleague suggests his ECG shows acute perimyocarditis. Are there signs of acute perimyocarditis?…

…When counseling the patient on the potential risks associated with this new medication, for which of the following adverse events should she be closely monitored?

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 62-year-old male with a history of myocardial infarction and an implanted cardioverter-defibrillator (ICD) presents to the emergency department after receiving multiple…

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

…year-old male, a long-term smoker with a history of controlled hypertension, wakes up in the middle of the night with severe, crushing chest…