A normal Q- T interval is_________ .

Question

Quizplus · Accepted Answer

The normal QT interval varies depending on heart rate, but a common reference range for a heart rate of around 70 beats per minute is approximately 0.32 to 0.38 seconds. This range can slightly vary based on different sources, but option A is within the accepted range for a normal QT interval at that heart rate. Options B, C, and D provide intervals that are either too long, too short, or not typically used to describe normal QT intervals.

A Normal Q- T Interval Is_________