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Black and yellow dots in vision whilst giving blood for test. Why ?

When I had a blood test yesterday the nurse didn t seem as though he new what he was doing & I found it very painful. He tried to take blood twice & the 2nd time really hurt, but I could see all black & yellow dots in my vision whilst he was taking the blood. I m 34 weeks pregnant & it really worried me as I ve never had an experience like this. When I asked him he said oh that s strange perhaps I hit a nerve. Please could you tell me what these flying black & yellow spots meant please. Many thanks AAA
Asked On : Tue, 23 Oct 2012
Answers:  1 Views:  58
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Ophthalmologist 's  Response
Nov 2012
You appear to got anxious at that time, and probably due to anxiety got altered circulation of your blood called vasovagal attack and that led to sort of blackout. This occurs due to pooling of blood in dependent areas .next time if something like this happen one should gently lie down and relax. Symptoms will improve, mean if some medical help is available around seek that.
Take care
Answered: Tue, 27 Nov 2012
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