In the patient with altered level of consciousness (LOC), the most appropriate intravenous fluid is

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In patients with altered level of consciousness, isotonic or hypertonic solutions are recommended to maintain volume status and prevent cerebral edema. Hypotonic solutions like 0.45% normal saline or dextrose 5% in water should be avoided as they can exacerbate cerebral edema. Dextrose 5% in 0.45% normal saline can be considered in patients with hypoglycemia or who require additional caloric support.

In the Patient with Altered Level of Consciousness (LOC), the Most