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Arterial Blood Gas Sampling — NCLEX Cheat Sheet

Allen test, ice, pressure 5min

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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 Arterial Blood Gas Sampling on the NCLEX. Keep it handy during review and on exam day!

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Nursing actions

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Nursing actions

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Key numbers

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The Allen test is performed before a radial puncture to confirm adequate ulnar collateral circulation to the hand.

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