Calcium Gluconate — NCLEX Cheat Sheet
Antidote for Mg toxicity + ↑K+
👤 By the CinnaRN Clinical Content Team
🕐 Updated 2026-07-11
🏷️ Pharmacological Therapies
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Use this quick-reference guide to spot, treat, and prevent Calcium Gluconate on the NCLEX. Keep it handy during review and on exam day!
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- Mg sulfate toxicity reversal
- Hyperkalemia → protect heart
- Hypocalcemia, blood transfusion
- Ca 9-10.5 mg/dL normal
- ↓Ca → Chvostek, Trousseau, tetany
- IV slow, on telemetry
- Watch IV site → extravasation tissue damage
- Don't mix with bicarb → precipitate
- Caution if on digoxin
✨Quick Tip
It is the antidote for magnesium sulfate toxicity.
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