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Week 3 terminology
| Term | Definition |
|---|---|
| anoxia | absence of oxygen supply to cells that results in damage or death |
| anticoagulant | drug that is used to prevent clot formation |
| antiplatelet | drug that prevents accumulation of platelets |
| antithrombotic | drug that inhibits clot formation by reducing the coagulation action of the blood protein thrombin |
| atherosclerosis | accumulation of fatty deposits in the walls of arteries |
| artherothrombosis | formation of a blood clot in an artery |
| atrial fibrillation | rapid and uncoordinated contractions |
| atrial flutter | irregular heart beat in which contractions in the atrium exceed the number of contractions in the ventricle |
| cholesterol | dietary lipid normally synthesized by the body |
| depolarization | process where the heart muscle conducts an electrical impulse causing a contraction |
| ectopic | occuring in an abnormal location |
| electrical cardioversion | process of applying an electrical shock to the heart with a defibrillator |
| embolic stroke | stroke caused by an emboli obstruction the flow of blood through an artery |
| hemorrhagic stroke | sudden bleeding in or around the brain |
| hemostasis | process of stopping blood flow |
| HDL | good cholesterol |
| hyperlipidemia | abnormally high llipid levels in the plasma |
| hypoxia | reduced oxygen delivered to cells |
| infarction | area of tissue that has died because of a sudden lack of blood supply. |
| ischemia | deficient blood supply to an area of the body |
| ischemic stroke | ischemia in the brain |
| lipoprotein | protein found in the plasma that transports triglycerides and cholesterol |
| LDL | bad cholesterol |
| mitral valve stenosis | disease of the mitral valve |
| platelets | structures found in blood that are involved in the coagulation process |
| partial thromboplastin time | test given to determine the effectiveness of heparin in reducing anithrombotic activity |
| prothrombin time | test given to determine the effectiveness of warfarin in reducing clotting time |
| refractory period | time between contractions that it takes for repolarization to occur |
| repolarization | period of time when the heart is recharging and preparing for another contraction |
| rhabdomyolysis | breakdown of muscle fibers and release of muscle fiber contents into the circulation |
| stenosis | stiffening and narrowing of the arteries |
| supraventricular tachycardia | heart rate up to 22 beats/min that originates above the ventricles |
| thombolytic | medication used to break up a thrombus or blood clot |
| thrombotic stroke | stroke caused by thrombosis |
| tissue pasminogen activator | naturally occuring thrombolytic substance |
| transient ischemic attack | stroke that typically lasts for a few minutes |
| triglycerides | storage form of energy found in fat tissue muscle |
| ventricular fibrillation | life threatening arrhythmia where the heart beats up to 600 beats/min |
| ventricular tachycardia | ventricles beat faster than 200 beats/min |
| Aneurysm | weakened spot of an artery wall that has stretched or burst |
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