Capillary sample

The test is done in the following way: The area is cleansed with antiseptic. The skin of the finger, heel, or another area is pricked with a sharp needle or a lancet. The blood may be collected in a pipette (small glass tube), on a slide, onto a test strip, or into a small container. Cotton or a bandage may be applied…

Some people feel moderate pain. Others feel only a prick or stinging sensation. Afterward, there may be some throbbing.

Blood transports oxygen, food, waste products, and other materials within the body. It also helps regulate body temperature. Blood is made up of cells and a fluid called plasma. Plasma contains various dissolved substances. The cells are mainly red blood cells, white blood cells, and platelets. Because blood has many…

Results vary depending on the test done. Your health care provider can tell you more.

Risks of this test may include any of the following: Excessive bleeding Fainting or feeling lightheaded Infection (a slight risk any time the skin is broken) Scarring (occurs when there have been multiple punctures in the same area) Calcified nodules (sometimes occurs in infants, but usually disappear by 30 months of…

Rolon MEDV. Procedures. In: Anderson CC, Kapoor S, Mark TE, eds. The Harriet Lane Handbook . 23rd ed. Philadelphia, PA: Elsevier; 2024:chap 4. Vajpayee N, Graham SS, Bem S. Basic examination of blood and bone marrow. In: McPherson RA, Pincus MR, eds. Henry's Clinical Diagnosis and Management by Laboratory Methods .…