ASD COMPREHENSIVE QUESTION BANK WITH TESTED SOLUTIONS AND REVIEW AIDS

ASD COMPREHENSIVE QUESTION BANK
WITH TESTED SOLUTIONS AND REVIEW
AIDS

●● ASD failure of the IAS to close properly during fetal development →
Answer: blood shunts across the IAS between atria


●● hemodynamic effects depend on (3)
Answer: shunt size & direction,
ventricular compliance,
response of pulmonary vascular bed to increased blood flow


●● What is the most common ASD ?
Answer: Ostium Secundom


●● OSTIUM PRIMUM ASD %
Answer: 20 %


●● OSTIUM PRIMUM ASD located
Answer: inferior IAS

, ●● OSTIUM PRIMUM ASD associated with
Answer: malformed MV


●● OSTIUM SECUNDUM ASD %
Answer: 70 % (most common)


●● OSTIUM SECUNDUM ASD location
Answer: mid - portion IAS


●● SINUS VENOSUS ASD %
Answer: 10 %


●● SINUS VENOSUS ASD located
Answer: superior IAS near junction of SVC & RA


●● SINUS VENOSUS ASD associated with
Answer: partial anomalous PV4 return


●● CORONARY SINUS ASD incidence
Answer: rare


●● CORONARY SINUS ASD located