Left Ventricular Systolic Dysfunction, CTCAE 3.0

**Semantic type:** Finding

**Definition:** Defined in terms of ejection fraction, a good clinical indicator of ventricular systolic function. Normal ejection fraction is 0.50 or more (>50%). Left ventricular systolic dysfunction is generally defined as an ejection fraction equal to or less than 0.40 (<40%).

**Synonyms:** - Left ventricular systolic dysfunction