…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?

A 72-year-old male with heart failure with reduced ejection fraction (HFrEF) and isolated moderate aortic stenosis (AS) is evaluated in the clinic. He…

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…

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…

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…

…inhibitor [ACE-I]). To optimally reduce his risk of mortality due to heart failure and sudden cardiac death (SCD), which of the following medication classes…

A 58-year-old female, with a history of left ventricular hypertrophy and heart failure, suddenly experiences chest pain and tightness while walking her dog…

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

…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…