Home › Cheat Sheets › Physiological Adaptation

Hypernatremia — NCLEX Cheat Sheet

Na+ > 145 mEq/L

🔖 Save

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

💡

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

🩺

⚠️

Why it happens

🩺

What to look for

✅

Nursing actions

📌

Key facts

✨

Sodium pulls water with it, so high sodium causes intracellular dehydration, especially of brain cells.

Was this helpful? ✎ Suggest an edit

Master Hypernatremia with practice, not just reading

4,700+ NCLEX-style questions with rationales, 51 interactive NGN cases, and an AI tutor — free every day, no card needed.