Pale Type Heart Defect

Pale heart defect is a defect also called white or marbled. It was first described in 1906 by the German physician Waldemar Dieffenbach.

This defect is one of the most common forms of heart defects in children. It occurs most often as a result of a congenital disorder of the development of the valve apparatus of the right ventricle. In most cases, the occurrence of the defect is due to the presence of thromboembolic complications in various parts of the pulmonary artery (for example, due to intraventricular defects). When arterial blood cannot reach the lungs in full, the heart contracts and it does not compress fully enough, which entails the development of heart disease.

The main manifestations of heart defects are