A 26-year-old member asked:
using bazett formula when my heart rate is 98 my qt is 350 and qtc 447. but when my heart rate is 60 it is 398. why is it 447 at higher rate?
1 doctor answer
Dr. Silviu Pasniciuc answered
26 years experience Internal Medicine
QTc: The formula only estimates the corrected qt and it includes the square root of the heart rate as the denominator of the denominator or in other words the corrected QT interval will trend in the same direction, the higher the rate , the higher the QTc.
Answered on Feb 17, 2020
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