NSR Parameters

NSR Parameters

• Rate: 60 - 100 bpm
• Regularity: regular
• P waves: normal
• PR interval: 0.12 - 0.20 s
• QRS duration: 0.04 - 0.12 s

Any deviation from above is sinus tachycardia, sinus bradycardia, or an arrhythmia.

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