A 74-year-old woman with worsening peripheral edema and exertional fatigue is being evaluated for a percutaneous tricuspid valve intervention. Transthoracic echocardiography demonstrates severe…

A 74-year-old man with progressive dyspnea and lower extremity edema undergoes echocardiography, which reveals severe left ventricular hypertrophy with a speckled myocardial appearance…

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

…he develops signs of persistent heart failure and hypotension. His blood pressure drops to 85/60 mmHg, and he has significant pulmonary edema on auscultation…

…like illness two weeks prior. Vital signs show a heart rate of 120 bpm and blood pressure of 85/55 mmHg. Laboratory tests show elevated…

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

A 62-year-old man with heart failure and a reduced left ventricular ejection fraction of 35% presents with highly symptomatic, recurrent focal atrial tachycardia…

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…

A 58-year-old male with a history of chronic heart failure and an implantable cardioverter-defibrillator (ICD) presents to the emergency department after receiving…

…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…