The foot is usually a last resort. You should always have a doctors order before attempting to draw from the feet. There is more risks involved with infection etc. especially in diabetic patients.
you get a hematoma
There are two reasons for this first is for safety. If the patient pulls the arm back when the needle is inserted the needle may recoil as it comes out of the arm, springing back into your finger. Also there is the possibility of contamination of the site that you just cleaned.
According to CLSI the tourniquet should not be left on for more than a minute. If a suitable vein has not been found, remove the tourniquet, leave it off for two minutes, then reapply the tourniquet to look for suitable veins and/or perform the venipuncture.
A flow of air is used to force moving surfaces apart.
Checking with the authorities in charge of the waters in which you will operate your vessel is ALWAYS advisable.
A venipuncture is a puncture in a vein. As when a person gives blood or has a blood test run.
You use your thumb to keep the vein from "rolling" while doing a venipuncture.
See the Web Links to the left for more information about venipuncture.
Venipuncture is the medical term used when drawing blood. Basically, it means your vein has had a needle stuck into it for some purpose.
You can do it but it will be nasty, besides, only idiot would do that.
it promotes vasoconstriction
it promotes vasoconstriction
Reduces the stress on: Heart Joints (knees, feet, hips, backbone, ankle) Lungs
phlebotomy or venipuncture
cephalic
Cutdown-36425
Yes