Our expert says:
As an individual, if one has had several blood samples taken, you may know your own veins better than a nurse meeting you for the first time, and she is foolish if she doesn't politely listen to your suggestions and take them into account. It sounds like she may have been a cocky and insufficiently skilled nurse.
It should be absolutely rigid policy in ALL hospitals, that as soon as a needle has been used, it should be discarded safely in a special box for "sharps", and bent so it can't be used again. New needles would be in a different box, and would have some variety of cap on it which would need to be snapped or twisted off ; whereas an old needle would have no such cap, as its cap would have been thrown away even before it had been used. To get a used cap to put on a used needle to try to maliciously fool a patient, the nurse would have had to dig around in the larger box full of dangerous sharp objects, at real risk to herself - so however mean and nasty she may have been, this is unlikely to have been done.
SO you probably don't have a real risk to worry about - but why not discuss your concern with the doctor who ordered the tests and who you will need to see to discuss the results - mentioning your suspicion and concern, and saying that at least you were concerned about her atttitude to your suggestions and the way she handled you. He should take note of that and deal with it appropriately.
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