Q. There is incomplete right bundle branch block with inferior infarct in ECG. Why?

Answered by
Dr. Isaac Gana
and medically reviewed by Dr. Divya Banu M
This is a premium question & answer published on Feb 21, 2020

Hello doctor,

Yesterday my wife on her annual checkup got an abnormal ECG. The report says: Normal Sinus Rhythm, Incomplete right bundle branch block, inferior infarct, age undetermined. She is 55, a little overweight, otherwise healthy. We are very worried.

Dr. Isaac Gana



Welcome to icliniq.com.

I understand how worried you are about your wife's health, do not worry she will be fine soon. The ECG shows evidence that points to the fact that your wife has a injury to the right part of her heart. This can cause a disruption of electrical impulse traveling to that area which show cased as (right bundle branch block). I advise you see a cardiologist. She needs to do further investigations like Echo to ascertain how well her heart is working and to know the extent of damage. I wish her a speedy recovery. Best regards.

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Thank you doctor,

Is it urgent? Like going to ER today? Or appointment with cardiologist in 10 days is fine? Where can I learn more about this specific heart issue, what questions should I ask cardiologist?

Dr. Isaac Gana



Welcome back to icliniq.com.

You should see a cardiologist as soon possible. Tomorrow if you can. Although these changes in the ECG might occur also in normal healthy people due to error in placing the ECG leads, It is also possible she suffered a silent heart attack. This usually presents without obvious symptoms. The cardiologist might ask her to repeat the ECG and also do an echo. Echo is most accurate in showing if there was a prior heart attack. The questions you can ask will be dependent on the result of the ECHO. If the Echo confirms there is evidence of a heart attack, you should ask him how bad the heart muscles are damaged? Ask about necessary changes in lifestyle, medications she might need to take, activities she can engage in.

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