Mprtz
New member
No it does nothing. your idea is to dilute the blood?
With all due respect... since hematocrit is ratio of RBC to liquid volume, and blood liquid volume varies with hydration state, yes, of course measured hematocrit will vary with hydration state. A web search of "dehydration hematocrit" will make this very obvious. Yes, it's temporary in the sense that once hydration reverts to average the reading will too, but that's not the point.
If you are close to the reading where they will turn you away at the blood bank ( my reading was 17.7 and they don't accept over 18.2 g/dL ), then it will be a good idea to arrive as hydrated as possible to minimize the chances that they will send you home for excessive hemoglobin.