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As a result, standard normal results will differ from each lab.Finding a vein can require you to tighten your fist.
A little needle is inserted into your vein after your skin has been cleaned. Tell them if you have a needle phobia, get sick at the sight of blood, or have a latex or plaster allergy.
Above the spot where they collect the sample, they tighten a tourniquet (band) around your arm. As a result, bleeding and bruising are reduced.
Test results differ depending on the equipment and methods used. Next, they squeeze a little blood out of the needle using a little vial or syringe. A few tiny bottles might be filled.
When they've collected all the samples, they let go of the armband that's been fastened to it. Usually, this comes from your hand or arm. The needle is then removed, and the affected area is compressed for a short period using a cotton ball or a piece of gauze. How is a sample collected for the blood test?
The following steps are followed by a doctor or a nurse while withdrawing blood samples for blood tests:
For the test, you can either sit or lie down.
The ideal vein is selected by a doctor, nurse, or phlebotomist (someone skilled in drawing blood).