Pediatric Heart Expert Forum
IRBBB
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Questions in this forum are answered by pediatric cardiologists, cardiothoracic surgeons and anesthesiologists from The Children's Hospital of Philadelphia. This forum is for questions and support about pediatric heart problems, symptoms and topics such as heart murmurs, palpitations, fainting, chest pain, congenital heart defects (including management and intervention), fetal cardiology, adult congenital cardiology, arrhythmias and pre-participation athletic screening.

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IRBBB

Hi my son has been diagnosed with IRBBB - this was found in an ECG done to try and find reasons for his exhaustion. He has a blood condition call congenital spherocytosis, has had a splenectomy but has now developed Polycaethemia - various blood tests and now undergoes venous section every 2 months to try and reduce haematocrit level.
Recent ultrasoun shows prolonged lympodema in the groin. so lots going on, but just wondered if the IRBBB is anything to be concerned about.
Not on any medication
He has just turned 16
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773637_tn?1327450515
Dear Celtica,

Incomplete right bundle branch block (iRBBB) is a normal variant that can be seen on ECGs in children.  It is typically not associated with any specific cardiac diseases or complications.  However, under certain associated circumstances, it can be associated with an atrial septal defect.  Without evaluating your son, I cannot say whether his fatigue is due to any cardiac issues.  Certainly polycythemia and lymphedema can be associated with fatigue and are not cardiac in nature.  However, more information and a more formal evaluation would be required to ensure that he didn't have an atrial septal defect, as well.
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Marie M Gleason, M.D.Blank
The Children’s Hospital of Philadelphia
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The Children’s Hospital of Philadelphia
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