6
votes
Accepted
How long does it take for a body to get rid of blood clots and bubbles inside a cannula?
First, notice that bubbles are stopped by the drip chamber on the IV, or if there's an infusion pump instead of a drip chamber, the pump itself will detect it and stop the flow.
If there is a small ...
- 9,753
3
votes
Accepted
Effect of Blood donation needles on skin
Larger needles aren't used to draw blood faster in general. They are used to avoid hemolysis. 16-18 gauge needles:
A large needle (16 to 17 gauge) is used to minimize shearing
forces that may ...
- 2,975
2
votes
Accepted
What are these syringes called?
I think you are looking for irrigation syringes - I'm familiar only with the curved variety but at least on a google images search I see straight ones as well.
That said, I've always used luer-style ...
- 13.8k
2
votes
What are the factors that make veins easy for a blood test one day, and difficult the next?
You can increase the likelihood of not as many sticks if you are fully hydrated. Drink lots of fluids 1-2 hrs before having lab sticks.
- 21
2
votes
What are the factors that make veins easy for a blood test one day, and difficult the next?
A vein that has undergone venipuncture woud be more dificult to extract blood because it is already traumatized/injured. Some veins would be thicker when healed and some would be friable. That's why ...
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1
vote
What are these syringes called?
There are a variety of syringes listed as "disposable catheter " that typically have a tapered straight tip. A common size is 60 ml . The tip is "universal" friction fit. I use them for G-tube feeding ...
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