Calculate the blood volume in an adult male given:
- The amount of Evan’s Blue injected = 5.6 mg
- Conc. of dye in plasma after equilibration = 0.002 mg/ml
- Haematocrit value = 46%
- Amount of the dye leaving the circulation during equilibration = 0.2 mg
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Blood volume is normal
Evan’s Blue neither leaves the vascular system nor
penetrates the erythrocytes.
Radioactive iodine can be used in place of Evan’s blue.