While drawing blood from my hand with syringe lab technician pulled the piston and it did not drew enough blood in one go and created vaccum on the Needle side so he pushed piston back a little twice to draw more.
Is it normal or it can push vaccum/air in vains.
Should I be worried?
Answers (9)
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Where from, do you think, the air entered the syringe when the needle was in the vein, and no blood was coming ?
It is good to show that you are smart but commonsense should not be given a good bye.
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Disclaimer : The content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding your medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.
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