Table 2 Characteristics of patients

33 clinical signs considered as important or « key signs » main diagnoses:

   aortic regurgitation

3

   aortic stenosis

1

   mitral regurgitation

4

   mitral stenosis

2

   left ventricular dysfunction

3

   pulmonary hypertension with tricuspid regurgitation

1

   ventricular septal defect

1

   operated Tetralogy of Fallot

1

   ductus Botalli

1