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Table 3.

Kinetics of restoration of blood volume following 35% reduction of blood volume

Blood volume (ml kg-1)
Initial HctHct after rapid recoveryaRapid volume recoveredbSlow volume recoveredcEquilibriumkHalf-time (min)
28.1±2.9 23.8±2.9 4.7±1.0 12.6±1.7 40.7±1.3 0.052±0.007 14.5±1.9 
Blood volume (ml kg-1)
Initial HctHct after rapid recoveryaRapid volume recoveredbSlow volume recoveredcEquilibriumkHalf-time (min)
28.1±2.9 23.8±2.9 4.7±1.0 12.6±1.7 40.7±1.3 0.052±0.007 14.5±1.9 

k, rate constant for slow phase.

Values are means ± S.E.M., N = number of fish.

a

Extrapolated to onset of hemorrhage.

b

Estimated fluid volume returned to vasculature in initial rapid phase during hemorrhage assuming that hematocrit of this fluid is 0.

c

Predicted fluid volume returned to circulation during the slow phase following hemorrhage.

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