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Module 6 Definitions
| Term | Definition |
|---|---|
| ischemia | insufficient blood flow to provide adequate oxygenation |
| S&S of a stroke | FAST - Face drooping, Arm weakness, Speech difficulty, Time to call 911 |
| arrhythmia | Abnormal heart rhythm |
| cardiac arrest | sudden stop of the heart |
| phlebitis | inflammation of a vein |
| thrombus | stationary blood clot |
| embolus | moving blood clot |
| cerebrovascular accident (CVA) | a.k.a. "Stroke". Lack of blood flow to the brain causing brain damage |
| aneurysm | abnormal weakening of an artery |
| heart failure | a chronic condition in which the heart is unable to pump enough blood to meet the body's oxygen needs |
| congenital | present at birth |
| myocardial infarction (MI) | heart attack; death of myocardial tissue (infarction) caused by ischemia (loss of blood flow) as a result of an occlusion (plugging) of a coronary artery; usually caused by atherosclerosis |
| diaphoresis | sweating |
| hypertension (HTN) | high blood pressure |
| atherosclerosis | hardening of the arteries due to plaque buildup |
| S&S of myocardial infarction | chest pain; pain spreading into the shoulder, arm, neck or jaw; diaphoresis (sweating); shortness of breath |
| diastolic heart failure | due to heart not filling adequately |
| systolic heart failure | due to heart not pumping adequately |
| ischemic stroke | a type of stroke that occurs due to a blockage of blood flow to the brain |
| hemorrhagic stroke | A type of stroke that occurs due to a ruptured blood vessel |
| S&S of cardiac arrest | loss of consciousness and unresponsiveness |
| hypoxemia | deficiency of oxygen in the blood |
| hemorrhage | excessive flow of blood |
| thrombocyte | a clotting cell; a platelet |
| hormones | chemical messengers that are manufactured by the endocrine glands, travel through the bloodstream, and affect other tissues |
| antibodies | proteins produced by the immune system that help fight off pathogens |
| enzymes | Proteins that speed up chemical reactions |
| main function of the cardiovascular system | transport |