After aheart transplant, the native atrial tissue may continue to generateP waves, even though the donor heart generates its own rhythm. This results in the appearance oftwo P waveson ECG — one from the native sinoatrial node and one from the donor atrium. This is anormal findingpost-transplant and doesnot require intervention.
“Dual P waves seen post-transplant are common due to retained native atrial activity. The QRS response from donor conduction confirms proper graft function.”
(Referenced from CCRN Pediatric – Direct Care: Cardiovascular, Post-Transplant Electrophysiology Monitoring)
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