The following is false about Atrial septal defect ?: (A) Ostium secundum most common, (B) Right to Left Shunt, (C) May be associated with TAPVC, (D) CCF is very rare
Answer is B. Ans. is 'b' i.e., Right to left shunt o In ASD there is left to right shunt. Clinical manifestations of ASD o Patients with ASD are generally asymptomatic. o Mild effo intolerance and respiratory tract infection may occur. CHF is rare. Physical examination o Parasternal impulse Systolic thrill at 2"d left interspace. o Accentuation of S, due to loud tricuspid component. o Wide split and fixed S2. o Ejection systolic murmur at the second and third left interspaces. o Delayed diastolic murmur at the lower left sternal border. o ASD with mitral stenosis --> Lutembacher syndrome.