OP, you do realize that there is a big sheath (kind of like the ones you use when putting in an Introducer/Cordis thing when placing central venous access) that goes in the artery as well? This is after the initial puncture with the needle. Sometimes the sheath comes out before the patient leaves the cath lab...sometimes not.
OP, you do realize that there is a big sheath (kind of like the ones you use when putting in an Introducer/Cordis thing when placing central venous access) that goes in the artery as well? This is after the initial puncture with the needle. Sometimes the sheath comes out before the patient leaves the cath lab...sometimes not.
Yeah, I surely know that. Back in the day, I remember doing way to many "post-cath checks" not to know that...intern year sucks.
I guess I should have been more specific with my original question. I am not so interested in the size of the needle as the size of the sheath...really just interested in the largest size of hole that is caused in the artery.
I've seen anything from 4 french - 8 french (1.3-2.6 mm) used for femoral artery access, depending on the attending and the procedure for routine cath/PCI.
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