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Table 1 Patient demographic and clinical data

From: The use of implantable cardioverter defibrillators in Iceland: a retrospective population based study

Age at implantation (years)

Mean

58 +/- 14

 
 

Range

16–80

 

Gender

Men

71%

44

 

Women

29%

18

Underlying cardiac disease

Coronary artery disease (CAD)

62%

40

 

Dilated cardiomyopathy

11%

7

 

VT/VF without any known cardiac illness

11%

7

 

Long QT-syndrome

10%

6

 

Hypertrophic cardiomyopathy

2%

1

 

Suspected drug related ventricular arrhythmia

2%

1

 

Coronary artery spasm resulting in VT

2%

1

 

Cardiac amyloidosis

2%

1

Indication for implantation

Cardiac arrest due to VT or VF*

52%

32

 

VT without loss of consciousness

42%

26

 

Syncope, VT/VF induced at EPS*

6%

4

EF prior to implantation*

<20%

3%

2

 

21–40%

37%

22

 

41–60%

20%

12

 

>60%

40%

24

  1. * VT = ventricular tachycardia, VF = ventricular fibrillation, EPS = electrophysiologial study, EF = ejection fraction.