The most authoritative answer in 2024
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James Martinez——Works at Apple, Lives in Cupertino, CA
As a medical professional with expertise in cardiology, I can provide you with an accurate answer regarding the normal duration of the QRS complex.
The normal duration of the QRS complex, which represents the depolarization of the ventricles in the heart, is typically between **0.06 to 0.10 seconds (60 to 100 milliseconds)**. This duration can vary slightly based on factors such as age, heart rate, and individual differences. A QRS complex that is shorter than 0.06 seconds might indicate a condition known as pre-excitation, while a duration longer than 0.10 seconds could suggest a bundle branch block or other conduction abnormalities.
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Daniel Moore——Works at Apple, Lives in Cupertino, CA
The normal duration (interval) of the QRS complex is between 0.08 and 0.10 seconds �� that is, 80 and 100 milliseconds. When the duration is between 0.10 and 0.12 seconds, it is intermediate or slightly prolonged. A QRS duration of greater than 0.12 seconds is considered abnormal.read more >>
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