1 doctor weighed in:

Sinus arrhythmia, when breath out and heart slows down it will do a slow hard thump and go back to normal. Not all the time. Had ECG , 24h ecg, echo.

1 doctor weighed in
Dr. Rick Koch
Internal Medicine - Cardiology

In brief: This is frequently

Normal in younger patients.

In brief: This is frequently

Normal in younger patients.
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