An ostium primum atrial septal defect (ASD) occurs when then atrial septum near the atrioventricular valves has a communication between the two atrium causing a left to right shunt. This rarely ...

Nineteen patients had an ostium-secundum type of atrial septal defect, 5 a sinus-venosus atrial ... In each patient a large primum type of atrial defect (approximately 3 cm. in diameter) and ...

Follow up of operated patients should include ASD clinical examination, Holter ECG and echocardiography every 12-18 months together with bacterial endocarditis prophylaxis for primum, whereas for ...