Two main Categories are:
- Congestive Heart Failure or
- Cardiomyopathy Ischemic Heart Disease ASHD/CAD
- Dyspnea with minimal exertion & O2.
- Has been optimally treated with diuretics & vasodilators.
- Ejection fraction <20%.
- If CHF: Evidence of fluid overload in spite of medications.
- If CAD: History of angina, arrhythmias, previous MI.
- Angina syndrome present even at rest.