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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 then normal |
Angina pectoris | chest pain,pressure,or discomfort |
Artery | vessel that carries blood away from the heart |
Atria | the upper two chambers of the heart |
Capillaries | tiny blood vessels in which the exchange of gases,nutrients,and waste products occurs between blood and cells |
Cardiomyopathy | a weakening of the heart muscle due to enlargement or thickening,which reduces the hearts ability to pump blood effectively |
Congestive heat 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 ca using chest pain and other symptoms |
Diastole | phase when the heart muscles relaxes |
Heart | four-chambered pump that is responsible for the flow of blood in the body |
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 in which the heart muscle does not receive enough blood and lacks oxygen;can cause angina pectoris |
Nitroglycerin | medication that relaxes the walls of the coronary |
Occlusion | |
Orthopnea | |
Peripheral Vascular Disease (PVD) | |
Phlebitis | |
Pulmonary edema | |
Stable angina | |
Systole | |
Unstable angina | |
Vein | |
Ventricles |