discovery circumstances

Occurrence rate

Percentage

Respiratory distress

168/228

73.7

Breath and abnormal heart sounds

160/228

70.2

Growth retardation

81/228

35.5

Cyanosis

67/228

29.4

Hyperthermia

56/228

24.6

Thoracic deformity

25/228

11.0

Squatting

8/228

3.5

Clinical tables

Left heart failure

119/228

52.2

Right heart failure

59/228

25.9

General cardiac insufficiency

50/228

21.9