MRCEM Notes

ECG values

Image illustrating ecg intervals

Wikipedia

Normal ECG Values are:
  • QRS complex is less than 0.12 secs
  • PR Interval 0.12 and 0.2 seconds
  • The QTc interval is less than 0.44 seconds
  • The RR interval is 0.6 to 1.0 seconds
Full-size image