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NurseNest provides educational content for exam preparation and is not affiliated with NCLEX, regulatory colleges, or licensing bodies.
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Title

Nursing guide

Exam-focused context for this calculator. For clinical care, follow orders, policies, and local protocols.

large boxes

When to use: Best for a regular rhythm; quick bedside estimate.

Rhythm checklist

  • 1Is the rhythm regular?
  • 2What is the ventricular (QRS) rate?
  • 3Are P waves present?
  • 4Is there one P wave before each QRS?
  • 5Is the PR interval consistent?
  • 6Is the QRS narrow or wide?
  • 7Is the patient stable or unstable?

Safety

Educational use only. ECG interpretation in real clinical care requires full patient assessment and qualified clinical review. This tool does not diagnose rhythms.

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