<prompt> Which of the following statements isare true about ostium secundum ASDFixed splitting of 2nd hea soundNarrow splitting of 2nd hea soundLt axis detion in ECGShunt murmur prominent  <response>: Ostium secundum ASD characterized by wide fixed split second hea sound,ejection systolic murmur in pulmonary area,shunt murmur will be absent. ECG shows right axis detion right ventricular hyperophy. Ref : Ghai essential of pediatrics, 8th edition, p.no:413 