I started off aspirating everytime I pinned. Obviously it's a great idea for beginners. After time I just started skipping it. I guess you start to just get a feel for it.
The other week during one of my last pins of the cycle I could feel there was something different. I decided to aspirate just to check. Sure enough... Blood started filling the syringe. Pulled out the pin and moved it a little. Much to my surprise I pulled blood a second time. By the third time I swapped needles and moved my injection site way further. Third time was the charm.
I guess my point here is to always pay attention and not get too comfortable with the normal routine.
Happy pinning folks.
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