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Blood collection tube re use during blood draw

Hi plz help

1) I had blood draw at hospital and worried  blood collection tube was re used from previous patient that has blood in it
And blood would flow back into the needle which was inserted in my vein .
As nurse  had a failed blood draw attempt

1a) all I want to ask what PREVENTS blood from previous patient from flowing /injected back into the needle that’s inserted into my vein  from the blood collection tube during blood draw if nurse made an accidental attempt during blood draw  ? And why it’s no risk for hiv ?

Thanks

2) just making sure  we are talking about same thing blood collection tube has vaccum in it has color tops that sucks blood that’s what Im talking about
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3191940 tn?1447268717
COMMUNITY LEADER
What prevents blood from coming back into the needle? PHYSICS.  A person who is drawing blood OUT of your vein cannot simultaneously inject blood INTO your vein.

Move on from this.  People don't get HIV from blood draws.
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3 Comments
Thank you kind reply but my question remains UNANSWERED:(

1) all I want to ask what PREVENTS blood from previous patient from flowing /injected back into the needle that’s inserted into my vein  from the blood collection tube during blood draw if nurse made an accidental attempt during blood draw  ? And why it’s no risk for hiv ?
Can you please GIVE ME REASONS ?

Because my blood collection tube didn’t work during blood draw and I didn’t see it :/



Plz give Clear answer I will be at your DEBT
Do you understand what In trying to say ? :/

The answer WAS clear. You had no risk. I'd consider this to be an anxiety condition and get help for that mental health issue involved with this returning fear of yours.
Only risks for HIV are unprotected vaginal or anal intercourse or sharing IV needles to inject drugs. That's it. And it is explained fully why your anxiety drive fear is not a risk.
Avatar universal
Your situation involves personal contact with an object in air  (needle used to draw,  etc. ). You will be happy to learn that you had no risk, because you can't get hiv from personal contact except unprotected penetrating vaginal or anal with a penis, neither of which you did and you didn't share hollow needles to inject with which is the only other way to acquire hiv - there are ONLY 3 ways to get hiv. Note that 2 of them require a penis and the third requires a hollow injecting shared needle - there are no OTHER ways to get hiv. Analysis of large numbers of infected people over the 40 years of hiv history has proven that people don't get hiv in the way you are worried is a risk.
Hiv is a fragile virus in air or saliva and is effectively instantly dead in either air or saliva so the WORST that could happen is dead virus rubbed you, and obviously anything which is dead cannot live again so you are good. Blood and cuts would not be relevant in your situation since the hiv has become effectively dead, so you don't have to worry about them to be sure that you are safe.
There is no reason for a person to test when they are safe. The advice took into consideration that the other person might be positive, so move on and enjoy life instead of thinking about this non-event. hiv prevention is straightforward since there are only 3 ways you can become infected, so next time you wonder if you had a risk, ask yourself this QUESTION. "Did I do any of the 3?" Then after you say "No, I didn't" you will know that it's time to move on back to your happy life.
No one got hiv from what you did during 40 years of hiv history and no one will get it in the next 40 years of your life either.  You can do what you did any time and be safe from hiv.
The other person's status is irrelevant when you have no exposure to live virus.
You should stop worrying and move on from this non-event. Hospital managers aren't dumb enough to let their employees infect people with hiv, and the employees aren't dumb either - they know hiv can't be transmitted this way so it is not a procedure that needs to be monitored for hiv transmission.
Helpful - 0
1 Comments
Since you didn't answer the QUESTION I will do it for you.
Answer> No, there wasn't a penis in my anus during the draw and I wasn't injected with a hollow needle during the draw so I had no risk and should move on, instead of continuing to waste my time asking irrelevant questions. You don't ask your doctor for the blueprints to the X-Ray machine when he sends you for one, and it is similarly a waste of time trying to study the minute details of microbiology in an attempt to understand hiv infection - when you have no medical training.  
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