Physics · Electrolyte Imbalance Management
A 60-year-old patient presents with lethargy and muscle weakness. Laboratory results reveal severe hypernatremia (serum sodium 150 mEq/L) and hypokalemia (serum potassium 3 mEq/L) due to volume depletion. What is the most appropriate initial intravenous fluid management?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Implement strict fluid intake restriction immediately
- 2Administer isotonic fluid (such as 0.9% normal saline) containing potassium chloride supplementation cautiously to restore volume and correct potassium✓
- 3Initiate free-water replacement rapidly using intravenous 5% dextrose in water (D5W)
- 4Administer 3% hypertonic saline to stabilize intravascular volume
Correct answer
Administer isotonic fluid (such as 0.9% normal saline) containing potassium chloride supplementation cautiously to restore volume and correct potassium
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