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Tumor Lysis Syndrome — NCLEX Cheat Sheet

↑K ↑PO4 ↑uric acid, ↓Ca

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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 Tumor Lysis Syndrome on the NCLEX. Keep it handy during review and on exam day!

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Key facts

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Occurs when chemotherapy rapidly lyses large numbers of tumor cells, releasing potassium, phosphate, and nucleic acids (uric acid).

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