1-Month-Old Baby. What is your diagnosis?
A – Hypoplastic left heart syndrome (HLHS)
B – Double outlet right ventricle (DORV)
C – Ventricular septal defect (VSD)
D – Complete atrioventricular septal defect (AVSD)
Right answer is D: Complete atrioventricular septal defect (AVSD)
AVSD – The atrioventricular septal defect is a congenital cardiac malformation that is characterized by a variable degree of the atrial and ventricular septal defect along with a common or partially separate atrioventricular orifice
A complete atrioventricular septal defect is characterized by a common atrioventricular valve, ostium primum atrial septal defect and ventricular septal defect of inlet type. It is caused by the complete failure of the endocardial cushions to fuse.
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