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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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EKG Done. Anything To Worry?

My 18 yr old son is scheduled for an EGD in the morning on his throat. He had an EKG done today and it came back abnormal:
Vent rate: 44bpm
PR interval: 146 ms
QRS duration: 106 ms
Marked sinus bradycardia with sinus arrhythmia RSR or QR pattern in V1 suggests right ventricular conduction delay.
Should I be worried and should he have his procedure in the morning?
Thanks, Jill
Tue, 6 Aug 2013
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General & Family Physician 's  Response
Hi Jill, Welcome to HCM.

Based on the information you have given, right bundle branch block (RBBB) is usually a benign condition. If it is an isolated finding on EKG without any signs or symptoms he should be fine.

Esophagogastroduodenoscopy (EGD) is relatively non-invasive procedure and this will not affect his present cardiac condition. However, I will suggest that have his cardiologist in the loop and inform him about his EGD procedure. In addition, various causes lead to RBBB such as electrolyte imbalance, congenital heart defect (atrial septal defect), rheumatic heart disease. In this regard, I will advise that once he is done with his EGD do consult the cardiologist for his RBBB.

Hope this helps.
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Pediatrician Dr. Rajiv K Khandelwal's  Response
Hi Jill,

Thank you for your query.

Sinus bradycardia needs to be reviewed whether it is physiological as in sportsperson or abnormal. Right ventricular conduction delay is seen in a few normal persons and should not be cause for concern.

The treating doctor and his/her team would review the electrocardiogram and then take a decision whether to continue with the procedure or not.

I hope I have answered your query to your satisfaction.

Wishing your son all the best.

Regards,

Rajiv K Khandelwal
http://goo.gl/SuCjl
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EKG Done. Anything To Worry?

Hi Jill, Welcome to HCM. Based on the information you have given, right bundle branch block (RBBB) is usually a benign condition. If it is an isolated finding on EKG without any signs or symptoms he should be fine. Esophagogastroduodenoscopy (EGD) is relatively non-invasive procedure and this will not affect his present cardiac condition. However, I will suggest that have his cardiologist in the loop and inform him about his EGD procedure. In addition, various causes lead to RBBB such as electrolyte imbalance, congenital heart defect (atrial septal defect), rheumatic heart disease. In this regard, I will advise that once he is done with his EGD do consult the cardiologist for his RBBB. Hope this helps.