Normal Sinus Rhythm | Reference Guide
EKG FeaturesRate: Normal (60-100 bpm)
P Wave: Normal (positive & precedes each QRS)
PR Interval: Normal (0.12-0.20 sec)
QRS: Normal (0.06-0.10 sec)
Sinus Rhythm is the rhythm category when each of the five steps of rhythm analysis are “normal”.
Normal sinus rhythm is indicated by a heart rate in the normal range of 60-100 beats per minute with a steady rate, aside from variations due to respiration. P waves should be positive and within a normal amplitude (< 2.5mm at lead II and III).
External Source: http://www.uptodate.com/contents/normal-sinus-rhythm-and-sinus-arrhythmia
EKG Tracing Example
Authors and ReviewersAuthored by Thomas O'Brien
Medically reviewed by Dr. Jonathan Keroes, MD
Last Update: 11/8/2021