Table 5 Cardiological features. ASD: atrial septal defect; VSD: ventricular septal defect; AV: atrioventricular; SAM: mitral valve systolic anterior motion; AVCD: atrioventricular canal defect; TOF: tetralogy of Fallot

Right axis deviation

13

41%

Pulmonary valve stenosis

11

34%

Right branch block

6

19%

ASD

5

16%

VSD

5

16%

Mitral valve regurgitation

5

16%

First-degree atrioventricular block

5

16%

Repolarization abnormalities

5

16%

Pulmonary valve dysplasia

3

9%

Hypertrophic cardiomyopathy

3

9%

Hypertrophy EKG signs

3

9%

SAM

2

6%

AVCD

2

6%

TOF

2

6%

Left axis deviation

2

6%

AV valves dysplasia

1

3%

Mitral valve prolapse

1

3%