Fast Five Quiz: Heart Failure With Reduced Ejection Fraction (HFrEF)

Yasmine S. Ali, MD


June 10, 2021

Figure 1. Heart with congestive heart failure showing an enlarged left ventricle.

To maintain the pumping function of the heart, the body in HF engages in compensatory mechanisms, including increases in blood volume, cardiac filling pressure, heart rate, and cardiac muscle mass.

A decrease in vital capacity is one of the diagnostic criteria in HF, but it does not help maintain the pumping of the heart.

Learn more about the background of HF and compensatory mechanisms.


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