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Aspiration Question

GeneticMutation

New member
Something occurred to me earlier today that had me wondering.

I have done a few cycles of gear and always when drawing used and 18 or 20 g needle for drawing. When I did my injection today I thought I would just try and draw some test E into my syringe with my 23g shooting needle. I wasn't able to, however, admittedly I forgot to heat up the oil a little this time around. So i slapped on an 18, drew with that and injected with the 23. It took a while to hit me, but after the injection I wondered if that the oil couldn't be drawn with a 23, how could blood? Isn't blood itself quite thick? What if I just got lucky all the other times and haven't hit a vessel? How would I know if when aspirating I actually hit a vein but simply couldn't suck blood into it?

Of course, I calmed down and just figured that the needle wasn't fit tight enough to the syringe or some other error on my part was a result. I was just wondering if anyone here had any thoughts on the matter?
 
No, blood is not as viscous as the oil. I start IV's with 24 gauges, and can draw blood out of them. Oil can be drawn through a 23, it just takes time.
 
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