From: Electrocardiographic and biochemical analysis of anthracycline induced cardiotoxicity in breast cancer patients from Southern Sri Lanka
QRS duration ≤ 120 ms
QRS duration > 120 ms
EF difference (EF3-EF0) < 10%
113 (85.6%)
19 (14.4%)
EF difference (EF3-EF0) ≥ 10%
41 (65.1%)
23 (34.9%)