Anybody donate plasma?
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DelSlow;260651 wrote:
Hmmm i take it you have never donated plasma...Because yes, if you don't pump your hand/make a fist every 2 mins or so the pressure on you arm will drop so that the machine will not work properly and will turn off, and can cause air embolism.
Oh I've donated plasma enough...
Fact is - you said you lose blood pressure in your arm when you fall asleep. If you lost blood pressure in your arm every time you fell asleep you'd have gangrene and wouldn't have a limb to donate blood from. The fact is - falling asleep simply removes you from the task of artificially inflating the arterial pressure in the arm that is giving blood - artificial pressure that - yes - is necessary to push evacuate blood from the body and into the machine. Any drop (but never loss - unless the limb is removed or you've died) in blood pressure - which will be minimal at best - from falling asleep is purely coincidental and likely due to the decrease in stress. -
And yes, I was donating quite a bit for a while there. Got bored and lacked ambition to go every day (and got to the point I hated being tied to a machine for an hour and a half) so I haven't been back in nearly a year.
I'd just say bring a laptop and watch your favorite TV show. Easiest way to pass time with one hand free.
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dubbsy;261013 wrote:
Oh I've donated plasma enough...
Fact is - you said you lose blood pressure in your arm when you fall asleep. If you lost blood pressure in your arm every time you fell asleep you'd have gangrene and wouldn't have a limb to donate blood from. The fact is - falling asleep simply removes you from the task of artificially inflating the arterial pressure in the arm that is giving blood - artificial pressure that - yes - is necessary to push evacuate blood from the body and into the machine. Any drop (but never loss - unless the limb is removed or you've died) in blood pressure - which will be minimal at best - from falling asleep is purely coincidental and likely due to the decrease in stress.It is also difficult to tell the difference between somebody that is sleeping by choice and somebody that has passed out for whatever reason.
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MisterCMK;261015 wrote:
It is also difficult to tell the difference between somebody that is sleeping by choice and somebody that has passed out for whatever reason.fuck em. if the pussy can't stay conscious when giving a little blood then let them go.
yawn
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