Rebuttal to "Comment on: Early Post-operative ECG Changes as a Predictor of Post-pericardiotomy Syndrome Following Atrial Septal Defect Repair".

We appreciate the concerns raised by Ali. As well recognized, Post-Pericardiotomy Syndrome (PPS) has been a very difficult syndrome to classify and understand in part relating to variable methodologic approaches in the literature, and any attempts to clarify and unify methodology will only aid in better understanding this entity. Below is a point-by-point response to concerns raised.