What are the fluid compartment consequences of isotonic overhydration?
A. ECF compartment volume contracts, ICF volume contracts
B. ECF compartment volume contracts, ICF volume remains the same
C. ECF compartment volume expands, ICF volume contracts
D. ECF compartment volume expands, ICF volume remains the same
D
Isotonic overhydration is also called hypervolemia because the problems result from excessive fluid in the extracellular fluid (ECF) space. In isotonic overhydration, isotonic fluids are ingested or retained, so that osmolarity remains normal. Only the ECF compartment expands and fluid does not shift between the spaces.
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