Currently. neither external detection nor~1 dilution methods can differentiate among cardiac, overhydration (including renal failure) and capillary permeability edema. New techniques designed to detect 2~increased pem- Currently. Neither external detection nor ~ 1 dilution methods can differentiate among cardiac, overhydration (including renal failure) and capillary permeability edema. New techniques designed to detect 2 ~ increased pem-