Classification of Heart Failure
| Left Ventricular Ejection Fraction (LVEF) | ≤ 40% | 41–49% | ≥ 50% |
|---|---|---|---|
| Has well developed guideline-directed medical therapy. Medical therapy needs to be continued with improvement in LVEF | Heart Failure with Reduced Ejection Fraction (first presentation) | Heart Failure with Improved Ejection Fraction | |
| Has not been investigated as separate entity; therefore, there is no data | Heart Failure with Mildly Reduced Ejection Fraction (first presentation) | ||
| Some treatment is possible | Heart Failure with Preserved Ejection Fraction (first presentation) | ||