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A 26-year-old member asked:

On my ecg my heart rate speed up from 74 to 94 so it has two different rates. does this mean the automated qt and qtc will be incorrect? due to my sinus arrhythmia.

1 doctor answer • 2 doctors weighed in
Dr. Brad Goldenberg
Dr. Brad Goldenberganswered
Neonatology 38 years experience
No: Sinus rate is dependent on the firing rate of your SA node in the atria and is independent of the conduction time through the heart which is what the QT interval is, check with your cardiologist on any other questions
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Dr. Norma Jo Waxman
Dr. Norma Jo Waxman agrees1 doctor agrees

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Last updated Mar 17, 2020

Found in:

Heart rate›Arrhythmia

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