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Atrial Fibrillation — NCLEX Cheat Sheet

Irregular, no P waves

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👤 By the CinnaRN Clinical Content Team 🕐 Updated 2026-07-11 🏷️ Physiological Adaptation 🔖 Free to read, print, and share

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Use this quick-reference guide to spot, treat, and prevent Atrial Fibrillation on the NCLEX. Keep it handy during review and on exam day!

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What to look for

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Notify / act now

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Key numbers

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Teaching points

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The hallmark is an irregularly irregular pulse with no identifiable P waves on the ECG.

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