EMT-B CHAPTER 22 Vocabulary

- The principal artery leaving the left side of the heart and carrying freshly oxygenated blood to the body

-- The smallest branches of arteries leading to the vast network of capillaries.

- A blood vessel, consisting of three layers of tissue and smooth muscle that carries blood away from the heart.

- The small blood vessels that connect arterioles and venules; various substances pass through capillary walls, into and out of the interstitial fluid, and then on to the cells.

- The formation of clots to plug openings in injured blood vessels and stop blood flow.

- A bruise, or ecchymosis.

- Discoloration of the skin associated with a closed wound; bruising

- A nosebleed.

- A mass of blood in the soft tissues beneath the skin.

- A congenital condition in which the patient lacks one or more of the blood''s normal clotting factors.

- Bleeding

- A condition in which low blood volume, due to massive internal or external bleeding or extensive loss of body water, results in inadequate perfusion.

- The flow of blood through body tissues and vessels

- An inflatable device that covers the legs and abdomen; used to splint the lower extremities or pelvis, or to control bleeding in lower extremities, pelvis, or abdominal cavity.

-- A point where a blood vessel lies near a bone; useful when direct pressure and elevation do not control bleeding

- A condition in which the circulatory system fails to provide sufficient circulation so that every body part can perform its function; also called hypoperfusion.

- The bleeding control method of last resort that occludes arterial flow; used only when all other methods have failed and the patient''s life is in danger.

-- The blood vessels that carry blood from the tissues to the heart.