Does A Blood Draw Hurt - So for this test, blood is taken from an artery instead. It’s also called a blood draw or. Web phlebotomy is when someone uses a needle to take blood from your vein. Web blood from arteries has higher levels of oxygen than blood from a vein. Web getting blood drawn is a simple process, but the most common complication associated with it is. A bruise may appear after a blood draw if small blood vessels get damaged when the needle.
Web phlebotomy is when someone uses a needle to take blood from your vein. A bruise may appear after a blood draw if small blood vessels get damaged when the needle. Web blood from arteries has higher levels of oxygen than blood from a vein. Web getting blood drawn is a simple process, but the most common complication associated with it is. It’s also called a blood draw or. So for this test, blood is taken from an artery instead.