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Heart Failure Nursing Care
QuestionPathophysiology
What is the primary difference between HFrEF and HFpEF?
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AnswerPathophysiology
Definition
HFrEF (EF <40%) involves a dilated, weakened ventricle with impaired systolic function. HFpEF (EF ≥50%) involves a stiff, poorly relaxing ventricle with impaired diastolic filling.
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