creation date: 2026-05-30 01:55
tags: PharmacologyIncomplete
Intravascular Fluids
Background
Under normal physiological conditions, renal function regulates volume, osmolality, and electrolyte balance. Normal minimum daily water intake (from all sources) is approximately 1600 mL with an equivalent output.
In inpatient care, fluid replenishment is often required in cases of fluid losses. This is individualized as various conditions change fluid needs/losses and is further impacted by third-spacing.
Fluids
Isotonic
0.9% Sodium Chloride (Normal Saline)
- 154 mEq/L Na, 154 mEq/L Cl
- 308 mOsmol/L
- pH 4.5-7 (~5.5)