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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Does Sinus Rhythm And Sinus Arrhythmia On ECG Mean?

I had a 12 lead ECG done at a health fair and it states sinus rhythm w/sinus arrhythmia, nonspecific T wave abnormality, abnormal ECG. Should I be concerned? Vent rate 78 BPM; PR int 180 ms; QRS dur, 81 ms; QT/QTc 389/423 ms; P-R-T axes 68 18 -30; QTcB 445ms
Tue, 11 Aug 2015
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General & Family Physician,  's  Response
Hello and thanks for writing.

I can understand your concern and would try to help you in the best possible way. First of all relax and do not take any undue stress. Your ECG is absolutely fine. Sinus arrhythmia is a normal finding on an ECG. It is due to variation in heart rate and other parameters that occur due to breathing. Breathing process affects your heart too and some parameters change with inspiration and expiration which is recorded on ECG as sinus arrhythmia. It is actually a sign of healthy well functioning heart.

So, relax and enjoy your life and do not think about it much.
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What Does Sinus Rhythm And Sinus Arrhythmia On ECG Mean?

Hello and thanks for writing. I can understand your concern and would try to help you in the best possible way. First of all relax and do not take any undue stress. Your ECG is absolutely fine. Sinus arrhythmia is a normal finding on an ECG. It is due to variation in heart rate and other parameters that occur due to breathing. Breathing process affects your heart too and some parameters change with inspiration and expiration which is recorded on ECG as sinus arrhythmia. It is actually a sign of healthy well functioning heart. So, relax and enjoy your life and do not think about it much.