Hematocrit

The approximate proportion of red blood cells (erythrocytes) in the blood. Since the Erys account for 99% of the blood volume, leukocytes and thrombocytes can be neglected. Haematocrit is interesting from a fluidic point of view as it is optimal at 40%. He can also give an indication of the patient's water balance.

https://de.wikipedia.org/wiki/Hämatokrit

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