Dear Doctor, The problem is related to my father he had a hole (ASD) in his heart since his birth, now a days he was having problem in breathing without oxygen cylinder he feels so uncomfirtable so we consult different cardiologist and chest specialist they all adivised us to operate him BYPASS and ASD repairing , we made it 15 days ago, As per Cardiac surgeon operation was fully successfull but his short breathing is same as before operation, he can not stand up not sit can not pass stool in washroom . please advice.