Cardiomegaly - atrial septal defect

Discussion:

The patient underwent echocardiography which revealed:

  • ostium secundum type atrial septal defect of about 4.3 cm showing left to right shunting of blood
  • dilated right atrium, right ventricle, and left atrium
  • preserved left ventricular systolic function (ejection fraction of ~55%)
  • moderate pulmonary artery hypertension (pulmonary artery systolic pressure of 40 mmHg) ostium secundum defect in the region of interatrial septum with the enlarged right atrium

An atrial septal defect is one of the most common congenital heart diseases encountered in adulthood. ​This case demonstrates the typical features of the atrial septal defect with consequent dilatation of right atrium and right ventricle leading to pulmonary hypertension.

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