Heart Failure (Exam IV) Flashcards
What ejection fraction would characterized HFrEF (heart failure with reduced ejection fraction) ?
≤ 40%
What ejection fraction would characterized HFpEF (heart failure with preserved ejection fraction) ?
≥ 50%
Which type of heart failure is characterized by reduced compliance and restricted left ventricular filling?
LV Diastolic Failure
Which type of heart failure is characterized by reduced contractility, LV dilation, pulmonary congestion, and increased ESV and EDV volumes?
LV Systolic Failure
Systolic dysfunction results in _______ ventricular systolic wall motion.
decreased
What are the four common causes of systolic heart failure?
- CAD
- Dilated Cardiomyopathy
- Chronic ↑ Afterload (HTN, AS, etc)
- Chronic Volume overload
What is the hallmark sign of Chronic LV systolic dysfunction?
EF ≤ 40%
What are common causes of Diastolic Heart Failure?
- CAD
- Chronic HTN
- Chronic AS
Is systolic or diastolic heart failure age-dependent?
Diastolic HF
Which class of diastolic HF is characterized by abnormal LV relaxation but normal left atrial pressures?
Class I
Diastolic HF classes II, III, and IV are characterized by what?
- Abnormal relaxation
- ↓ LV compliance
- ↑ LVEDP
What is acute decompensated HF?
Chronic HF that has developed to become Acute
What is de novo acute HF?
Sudden myocardial dysfunction (ex. MI)
Emergency.
Chronic heart failure features venous ________, but the BP is _________.
congestion; normal
Stroke volume is directly related to ________.
LVEDP