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A 66-year-old female asked:

What does "normal sinus rhythm, poor r wave progression otherwise normal ecg" mean? i have had a double mastectomy by the way?

2 doctor answers2 doctors weighed in
Dr. Clarence Grim
Endocrinology 58 years experience
Discuss with the EKG Dr. chest surgery can change the way the heart looks to the EKG. Compare to one before mastectomy is always good.
Created for people with ongoing healthcare needs but benefits everyone.
Poor R wave progression in an otherwise normal ECG is most often due to incorrect electrode placement. Despite it being a common "problem" , I am disheartened by the apparent lack of interest of individuals charged with the responsibility for technical quality of ECG recordings. This is a problem that causes some anxiety for the patient.
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Jul 21, 2021

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