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DrVasavada, Doctor
Category: Medical
Satisfied Customers: 4138
Experience:  MD(Ped), DCH ; in practice treating adolescent to newborns
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When my heart beat is low I feel a pause when I breath out

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When my heart beat is low I feel a pause when I breath out and it feels like my heart will stop
I've had multiple ecgs and a holter which came back normal

Hi, thanks, am reading your query, will be replying in few seconds please. DrVasavada

This variation is called 'sinus arrythmia' and is harmless, due to good vagus nerve tone. Inhalation causes increase of pulse rate on inspiration which normalises with exhalation.

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Customer: replied 5 days ago.
Thank you