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Because the catheter needle that is placed in your forearm acts as a slowly pressurized vacuum, radiating blood away from your extremities.
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∙ 15y ago
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Can muscle cramps be a side effect after donating blood?
I gave blood for the 1st time ever today. I have muscle cramps in both of my feet tonight and feel sick at my stomach. I also wonder if muscle cramps are a side effect of donating blood.
Why do your feet tingle?
Because you have diabeties
What causes feet to tingle?
because you are sitting on them, you are restricting blood from getting to your feet, so after a while you end up getting a tingling feeling commonly known as "pins and needles"!
What type of circulation does blood flow is your hands and feet?
Cardiac Circulation
Why are your hands and feet always red?
Probably because the blood cells are flowing towards your hands/feet because they have been slapped or hurt or they're cold.
What does it mean when your hands and feet stop circulating blood?
I guess your heart has stopped.
Why do you have internal tremors and pins and needles in hands and feet?
You do not actually get pins and needles in your hands and feet nor are they 'asleep'. What really is going on with your body is if you are in such a position where the blood cannot get into a certain part of your body, the hands/feet, etc will go numb. If blood does not circulate to all areas of the body for an extended period of time, the limb/limbs may suffer permanent damage.
What causes a woman to have bright red earlobes and fingers and feet that tingle?
loubethetric cancer
People that smoke why do there hands and feet get cold?
the blood in their body is deprived of oxygen and other materials in the vessels.
Why hands and feet tingle and turn blue?
Sounds rather like poor circulation. Lack of oxygen in the feet (or elsewhere) could cause cyanosis, and that makes the skin look blue. When the blood supply has been cut off from, say, the feet, and then returns, tingling is sometimes felt.
What to when you have cold hands and feets?
If you have cold hands and feet, the blood is flowing to the core to keep it warm. The core is more important that the limbs. Put on more clothing.
Which do you use more your hands or your feet?
Feet
