Multiple Choice Question of the Week : CHD-01 : [Answer]


Woman, 30 years old. Down’s syndrome. Dyspnoea on exertion.

Which alterations do you recognize?
A – secundum ASD
B – primum ASD
D – sinus venosus ASD

Right answer is B: primum ASD

Ostium primum defect is a congenital malformation of the atrial septum (septum primum) contiguous with the atrioventricular valve annulus. It is embryologically related with abnormalities in endocardial cushions development; for this reason it is often combined with atrio-ventricular valves malformations.

 206 total views,  1 views today