Introduction Page 1

• All rhythm tutorials rely heavily on information covered in the ECG essentials module.

NSR Characteristics Page 2

• NSR is also called Regular Sinus Rhythm

NSR Characteristics

• Regular rhythm(a).
• Heart Rate 60-100, inclusive.
• P wave before each QRS(b).
• All P waves the same shape(c).
• PR interval 0.12-0.20 seconds, inclusive(d).
• QRS Width less than 0.12 seconds(e).