Normal Values for Durations of ECG Waves and Intervals in Adults

2022 Electrocardiogram

WAVE OR INTERVAL DURATION (msec)

  1. P wave duration – <120 msec
  2. PR interval – <200 msec
  3. QRS duration – <110-120 msec
  4. QT interval (corrected) -≤440-450 msec

Normal Values for Durations of ECG Waves and Intervals in Adults

Normal Values for Durations of ECG Waves and Intervals in Adults

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