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

A 65-year-old woman presents to the cardiology clinic complaining of fatigue, shortness of breath when walking up a flight of stairs, and swelling…

…at the cardiac apex. Multimodality imaging is utilized to determine the pathophysiology and assess the severity of her valvular heart disease (VHD). Based on her…

…woman with congenital heart disease (CHD) and an unrepaired intracardiac shunt is resuscitated from an out-of-hospital cardiac arrest due to sustained ventricular fibrillation…

…heart failure and a reduced left ventricular ejection fraction of 35% presents with highly symptomatic, recurrent focal atrial tachycardia (AT). A decision is made to…

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…

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…

…after receiving multiple ICD shocks in the past 24 hours due to electrical storm (ES). He is currently on metoprolol for his heart failure management…

…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.

A 70 years-old male was admitted to the ER (emergency room) due to chest pain and discomfort in his left arm. These symptoms debuted…