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
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
Created for people with ongoing healthcare needs but benefits everyone.
93 viewsReviewed >2 years ago
Last updated Mar 17, 2020
Connect with a U.S. board-certified doctor by text or video anytime, anywhere.
$44 video appointments with $19/month membership*
*Billed $57 every 3 months. Cancel anytime.
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.