All patients N = 35
Male 29 (83%)
Age (year) 68 ± 10
Device indication
Bradycardia
9 (26%)
CRT
26 (74%)
Left ventricular ejection fraction (%) Left ventricular ejection fraction (%)
All patients
45 ± 19
Bradycardia group
62 ± 11
CRT group
29 ± 8
Cardiomyopathy 29 (82%)
Ischaemic
10
Non-ischaemic
16
Dual pathology
3
Left ventricular dimensions Left ventricular dimensions
LVED volume/ mL*
95 ± 25
Myocardial mass/g*
78 ± 24
Basal septum/mm
9 ± 1
ECG
QRS duration
152 ± 23
QRS morphology
LBBB
19 (53%)
RBBB
7 (20%)
IVCD
7 (20%)
Normal
2 (7%)