Grade 4 Left Ventricular Systolic Dysfunction, CTCAE

**Semantic type:** Finding

**Definition:** Refractory or poorly controlled heart failure due to drop in ejection fraction; intervention such as ventricular assist device, intravenous vasopressor support, or heart transplant indicated

**Synonyms:** - Grade 4 Left ventricular systolic dysfunction - Grade 4 Left ventricular systolic dysfunction