IVF management

Question 1

Hypertonic IVF?
Examples?
Use?

Answer 1

-shrink cells=fluid moves from ICF to ECF; more solutes in plasma therefore fluid moves to ECF
-3-5% NaCl, 10-50% dextrose
-hyponatremia, SIADH, Diabetic hypoglycemia

Question 2

Hypotonic IVF?
Examples?
Use?

Answer 2

-Swells cells=fluid moves from ECF to ICF, less solutes in plasma therefore fluid moves to ICF
-0.2 NaCl, 0.45 NaCl, 0.33 NaCl
-use only in dehydration secondary to hypernatremia, metabolic acidosis and Diabetic ketoacidosis

Question 3

Isotonic IVF?
Examples?
Use?

Answer 3

-volume expander, expands ECF
-NS, Ringers
-bolus d/t fluid loss

Question 4

Why Isotonic IVF for SCD preop?

Answer 4

-hypertonic fluids cause cell shrinkage and dehydration, which leads to increased sickling
-hypotonic fluids can lead to hyponatremia and SIADH
-Isotonic acts to volume expand when patient NPO