Disorders: Part 3 - ICU: Assessing and Managing Patients
with Cardiomyopathies Questions with Verified Answers.
Terms in this set (20)
hfref (aka systolic heart failure) <40%
ejection fraction
HFpEF (also known as >50%
diastolic heart failure) ejection
fraction
1. sns activation
systolic heart failure
2. raas
compensatory
3. lv dilation
mechanisms
1, increase heart rate
2. increased contractility
3. peripheral vasoconstriction (increased afterload)
systolic heart failure PROLONGED EXPOSURE LEADS TO CARDIAC
DECOMPENSATION:
compensatory
mechanisms: sns
1. INCREASED MYOCARDIAL O2 DEMAND
activation 2. INCREASED ISCHEMIA
3. DYSRHYTMIAS
4. ACCELERATED VENTRICULAR REMODELING