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Chapter 19
The Circulatory or Cardiovascular System
Term | Definition |
---|---|
Anemia | a condition in which the amount of red blood cells or hemoglobin in the body is less than normal. |
Angina Pectoris | chest pain,pressure, or discomfort. |
Anti-Embolic Stockings | special stockings used to help prevent swelling and blood clots and aid circulations, also called elastic stockings. |
Artery | vessel that carries blood away from the heart |
Capillaries | tiny blood vessels in which the exchange of gases, nutrients, and waste products occurs between blood and cells. |
Congestive Heart Failure (CHF) | a condition in which the heart muscle is damaged and fails to pump effectively. |
Coronary Artery Disease (CAD) | a condition in which the coronary arteries become damaged and narrow over time, causing chest pain and other symptoms. |
Diastole | phase when the heart muscle relaxes |
Heart | four chambered pump that is responsible for the flow of blood in the body. |
Nitroglycerin | medication that relaxes the walls of the coronary arteries. |
Orthopnea | shortness of breath when lying down that is relieved by sitting up. |
Peripheral Vascular Disease (PVD) | a condition in which the legs, feet, arms, or hands, do not have enough blood circulation. |
Phlebitis | inflammation of the veins in the lower extremities. |
Pulmonary Edema | a condition in which there is an accumulation of fluid in the lungs; usually due to failure. |
Stable Agina | chest pain that occurs when a person is active or under severe stress. |
Systole | phase where the heart is at work; contracting and pushing blood out of the left ventricle |
Unstable Agina | chest pain occurs while a person is at rest and not exerting himself. |
Vein | vessel that carries blood to the heart |
Ventricles | the lower two chambers of the heart |
Atria | the upper right and left chambers |
Hypotension | low blood pressure 100/60 or lower |
Hypertension | High blood pressure 140/90 or higher |
Occlusion | an obstruction of blood vessel |
Hypoxia | a condition in which body does not recieve enough oxygen |
Cardiomyopathy | a weakening of the heart muscle due to enlargement or thickening, which reduces the hearts ability to pump blood effectively. |