An 81-year-old female presents with progressive exertional dyspnea and syncope. Echocardiography reveals symptomatic severe aortic stenosis (AS) with a peak transvalvular velocity (Vmax…

A 53-year-old male, with no known history of heart disease, experiences intense, constricting chest pain that started while he was shoveling snow. The…

…evaluation after experiencing syncope while running a race. His resting electrocardiogram (ECG) and echocardiogram are unremarkable, showing no evidence of structural heart disease or ischemia…

…and hyperlipidemia presents to the emergency department complaining of palpitations and near-syncope. He is diaphoretic and anxious. His initial heart rate is 180 bpm…

…wave, consistent with ventricular pre-excitation. He is currently asymptomatic and has no history of palpitations or syncope. During counseling regarding his long-term prognosis…

The QT interval corrected for heart rate (QTc) is ideally measured using Bazett's formula under which heart rate conditions?

…of 54% with evidence of impaired relaxation. Based on her LVEF, which of the following represents the correct classification for this patient's heart failure?

In which patients are beta-blockers recommended regardless of heart failure symptoms?

A 68-year-old male with a history of chronic heart failure presents to the emergency department with worsening shortness of breath and lower extremity…

…his annual health screening. He is asymptomatic during the recording. Heart rate 67 beats per minute. Identify all abnormalities on the ECG. Click to zoom…

…Physical examination did not reveal anything unusual. The ECG shows a heart rate of 69 beats per minute. The PR interval is 180 ms (normal…