ASD which is common -
Ans. is 'c' i,e., Ostium secondum o ASD can occur in any portion of atrial septum -SecundumPrimumSinus venosusAbsent atrial septum (leads to single atrium)o Ostium secondum defectDefect in region of fossa ovalisMost common form of ASD
Patent foramen ovale
Ostiumprimum
Ostiumsecondum
Sinusvenosus
Acyanotic Congenital Heart Disease