[header] How to draw blood from hard to hit veins [title] Make sure your tourniquet has been applied properly. [step] Applying a tourniquet increases the amount of blood in the vein to make them stand out more. The tourniquet should not be so tight that it cuts off the circulation.
[header] How to draw blood from hard to hit veins [title] Make sure your tourniquet has been applied properly. [step] Applying a tourniquet increases the amount of blood in the vein to make them stand out more. The tourniquet should not be so tight that it cuts off the circulation.
This makes it hard to attach just about anything, like safety pins or bandages, to external vessels. [title] Do not put anything too heavy on the blood vessels. [substeps] If it is a wrist tourniquet, you might want to remove it first. Apply the tourniquet first before you slide the string off. [substeps] The tourniquet should be put on the arm about four inches above the vein. A blood pressure cuff that is inflated to 40-60 mm hg also works well. [substeps] Some tourniquet manufacturers may ask you to stand to avoid any contact with blood. These tourniquet guidelines vary by manufacturer.