Cotton or a bandage may be applied to the puncture site if there is any continued bleeding. How to prepare for the test Fast for 8 to 12 hours before the test. The physical and psychological preparation you can provide for this or any test or procedure depends on your child's age, interests, previous experience, and level of trust. How the test will feel When the needle is inserted to draw blood, some people feel moderate pain, while others feel only a prick or stinging sensation. Afterward, there may be some throbbing.
Pregnancy can interfere with test results.
Drugs that can increase triglyceride measurements include cholestyramine, estrogens, and oral contraceptives. Drugs that can decrease triglyceride measurements include ascorbic acid , asparaginase, clofibrate, and colestipol. Veins and arteries vary in size from one patient to another and from one side of the body to the other. All Rights Reserved. All rights reserved.