Normal Sinus Rhythm — ECG Academy Lesson

Master the five criteria that define Normal Sinus Rhythm — the reference standard against which every other rhythm is compared.

Learning Objectives

• List the five criteria that define Normal Sinus Rhythm
• Identify NSR on a rhythm strip using a systematic approach
• Distinguish NSR from rhythms that fail one or more criteria
• Recognize sinus arrhythmia as a normal variant
• Determine when to escalate even when the rhythm is NSR