Multiple choice

Systolic heart failure occurs when the muscle of the left ventricle loses some of its ability to contract or shorten. Which of the following acts as the best determinant of the severity of systolic heart failure?

  1. End-diastolic volume

  2. End-systolic volume (ESV)

  3. Stroke volume

  4. Ejection fraction

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Ejection fraction is an important determinant of the severity of systolic heart failure. Ejection fraction is low in patients with systolic congestive heart failure.