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Chapter 23

Anaphylactic Shock Severe shock caused by an allergic reaction.
Anaphylaxis An unusual or exaggerated allergic reaction to foreign protein or other substances.
Aneurysm A swelling or enlargement of a part of an artery, resulting from weakening of the arterial wall.
Autonomic Nervous System The part of the nervous system that regulates involuntary functions, such as heart rate, blood pressure, digestion, and sweating.
Cardiogenic Shock Shock caused by inadequate function of the heart, or pump failures.
Compensated Shock the early stage of shock, in which the body can still compensate for blood loss.
Cyanosis Bluish color of the skin resulting from poor oxygenation of the circulating blood.
Decompensated Shock The late stage of shock when blood pressure is falling.
Dyhydration Loss of water from the tissues of the body.
Edema The presence of abnormally large amounts of fluid between cells in body tissues, causing swelling of the affected area.
Homeostasis A balance of all systems of the body.
Hypothermia A condition in which the internal body temperature falls below 95 degrees F. usually as a result of prolonged exposure to cool or freezing temperatures.
Hypovolemic shock Shock caused by fluid or blood loss.
Irreversible shock the final stage of shock, resulting in death.
Neurogenic Shock Circulatory failure caused by paralysis of the nerves that control the size of the blood vessels, leading to widespread dilation; seen in spinal cord injuries.
Perfusion Circulation of blood within an organ or tissues in adequate amounts to meet the cells' current needs.
Psychogenic shock Shock caused by a sudden, temporary reduction in blood supply to the brain that causes fainting (syncope).
Sensitization Developing a sensitivity to a substance that initially caused no allergic reaction.
Septic Shock Shock caused by severe infection usually bacterial infection
Shock A condition in which the circulatory system falls to provide sufficient circulation to enable every body part to perform its function; also called hypoperfusion
Sphincters Circular muscles that encircle and, by contracting, constrict a duct, tube, or opening.
Syncope Fainting.
Created by: azoch