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Table 1 Patient Population (24 Pts)

From: Fusion beat in patients with heart failure treated with left ventricular pacing: may ECG morphology relate to mechanical synchrony? A pilot study

Age, yrs 66 ± 10
Males, N (%) 15 (63%)
Females, N (%) 9 (37%)
QRS width, ms 166 ± 17
NYHA class, N 2.73 ± 0.46
EF, % 28 ± 5
Post_MI Cardiopathy, N (%) 16 (67%)
Valvular Cardiopathy, N (%) 1 (4%)
Idiopathic Dilated Cardiomyopathy, N (%) 7 (29%)
  1. NYHA = New York Heart Association; EF = ejection fraction; MI = myocardial infarction.