The Circulatory System
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Created by:
janiestrick1 on January 31, 2009
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29 terms
Terms | Definitions |
|---|---|
 anemia | a condition in which the red blood cells or the hemoglobin in red blood cells is very low |
| angina pectoris | chest pain |
| anti-embolic stockings | special stockings used to help prevent swelling and blood clots and aid circulation |
| artery | vessel that carries blood away from the heart |
| atria | the upper two chambers of the heart |
| capillaries | tiny bloody vessels in which the exchange of gases, nutrients and waste products occurs between blood and cells |
| cardiomyopathy | a condition in which the heart muscle is diseased and no longer pumps effectively |
| congestive heart failure | a condition in which the heart muscle is damaged and does not pump effectively; blood backs up into the heart instead of circulating; can occur on one or both sides of the heart |
| CAD | a condition in which bood vessels in the coronary arteries narrow, lowering blood supply to the heart and depriving it of oxygen and nutrients |
| diastole | phase when the heart muscle relaxes |
| dyspnea | difficulty breathing |
| heart | fourt chamber pump that is responsible for the flow of blood in the body |
| heart attack or MI | a condition in which all or part of the blood flow to the heart is blocked and muscle cells die |
| hypertension | a condition in which BP consistently measures 140/90 or higher |
| hypoxia | a condition in which the body does not receive enough oxygen |
| ischemia | a lack of blood supply to an area |
| myocardial ischemia | a condition inwhich the heart muscle does not receive enogh blod and lacks O2; can cause angina pectoris |
| nitroglycerin | medication that relaxes the walls of the coronary arteries |
| occlusion | a complete obstruction of a blood vessel |
| orthopnea | SOB when lying down that is relieved by sitting up |
| PVD | 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 heart failure |
| sequential compression device | special stocking used to improve circulation and prevent blood clots; may be applied during or after surgery |
| stable angina | 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 angina (USA) | chest pain that 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 |
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