Term
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Definition
| a sac formed by localized dilation of an artery or vein |
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Term
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Definition
| pain in the chest caused by decreased supply of oxygen to the heart muscle |
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Term
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Definition
| large blood vessel leaving the heart which supplies oxygen-rich blood to all the bodily tissues |
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Term
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Definition
| located between the left ventricle and aorta |
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Term
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Definition
| variation from the normal rhythm of the heartbeat |
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Term
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Definition
| thickening and loss of elasticity of the arterial walls, slowing the flow of blood |
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Term
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Definition
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Term
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Definition
| form of arteriosclerosis in which fats are deposited on arterial walls |
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Term
| atrioventricular node (AV node) |
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Definition
| located in the right atrium and responsible for coordinating theheat's contractions through the ventrilces |
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Term
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Definition
| upper chambers of the heart muscle |
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Term
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Definition
| slowness of the heartbeat, as evidence by a pulse rate of less than 60 |
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Term
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Definition
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Term
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Definition
| weakening of the heart muscle |
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Term
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Definition
| inflammation of the heart muslce |
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Term
| cerebrovascular accident (stroke) |
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Definition
| a sudden and acute vascular lesion of the brain caused by hemorrhage, embolism, thrombosis, or rupturing blood vessles |
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Term
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Definition
| cramplike pains in the calves of the legs due to poor circulation |
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Term
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Definition
| stricture or narrowing of a vessel |
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Term
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Definition
| defective blood pumping system, marked by breathlessness and abnormal retention of sodium and water |
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Term
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Definition
| one of the small flaps on the valves of the heart |
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Term
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Definition
| resting phase of the heart beat |
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Term
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Definition
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Term
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Definition
| the sudden blocking of an artery by an embolus |
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Term
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Definition
| a foreign object (for example, air, fat, tissue, or blood clot) carried by the blood and forced into a smaller vessel, causing an obstruction in circulation |
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Term
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Definition
| inner surface of the heart chambers |
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Term
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Definition
| outermost layer of the heart |
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Term
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Definition
| small, local, involuntary muscular contraction caused by spontaneous activation of single muscle cells or muscle fibers |
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Term
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Definition
| persistent high blood pressure |
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Term
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Definition
| a localized area of ischemic necrosis owing to occlusion of the arterial supply |
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Term
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Definition
| brings venous blood from the lower regions of the body to the right side of the heart |
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Term
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Definition
| deficiency of blood flow to a part of the body |
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Term
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Definition
| the cavity or the channel within any organ or structure; space within an artery, vein, intestine, etc. |
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Term
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Definition
| general vague feeling of body weakness or discomfort |
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Term
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Definition
| space in the chest between the lungs where the heart is located |
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Term
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Definition
| valve located between the left atrium and left ventricle, consisting of two leaflets |
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Term
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Definition
| extra clicking sound caused by failure of heart valves to close properly |
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Term
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Definition
| death of heart muscle due to absence of blood supply |
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Term
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Definition
| middle, thickest layer of the heart wall, made of cardiac muscle |
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Term
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Definition
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Term
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Definition
| person must sit up or stand up in order to breathe comfortably |
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Term
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Definition
| special muscles connected to the leaflets of the valves to allow them to open in only one direction |
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Term
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Definition
| exterior layer covering the heart |
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Term
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Definition
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Term
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Definition
| deposit of fatty material in the artery (atherosclerosis) |
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Term
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Definition
| carries blood to the lungs for oxygenation from the right side of the heart |
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Term
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Definition
| located between the pulmonary artery and the right ventricle |
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Term
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Definition
| carries oxygenated blood from the lungs to the left side of the heart |
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Term
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Definition
| longest veins of the body located in the lower extremities |
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Term
| sinoatrial node (SA node) |
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Definition
| heart’s pacemaker located in the right atrium responsible for the heart contraction in coordinated fashion through the atria |
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Term
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Definition
| the normal heart rhythm originating in the sinoatrial node |
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Term
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Definition
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Term
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Definition
| brings venous blood from the region of the head and upper limbs to the right side of the heart |
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Term
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Definition
| pumping or contracting phase of the heart beat |
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Term
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Definition
| abnormal rapid heart rate |
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Term
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Definition
| inflammation of a vein associated with thrombus formation |
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Term
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Definition
| existence of a blood clot |
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Term
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Definition
| brief interruption of circulation to a portion of the brain. A precursor to a cardiovascular accident (stroke) |
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Term
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Definition
| valve located between the right atrium and right ventricle, consisting of three leaflets |
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Term
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Definition
| lower chambers of the heart |
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Term
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Definition
| surgical removal of an aneurysm |
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Term
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Definition
| x-ray study of blood vessels |
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Term
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Definition
| surgical or percutaneous reconstruction of blood vessels |
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Term
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Definition
| any subspace that removes or prevents blood clotting |
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Term
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Definition
| a long, fine catheter is navigated through a peripheral blood vessel into the chambers of the heart using x-ray visualization as a guide |
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Term
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Definition
| volume of blood (measured in liters) that the heart pumps per minute |
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Term
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Definition
| surgical incision or opening of the heart for repair |
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Term
| cardioversion (defibrillation) |
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Definition
| brief charges of electricity applied to the chest to stop cardiac arrhytmia |
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Term
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Definition
| circulation by secondary channels after obstruction of the principal channel supply the heart |
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Term
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Definition
| use of a leg vein or synthetic material to substitute for an occluded artery in the heart |
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Term
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Definition
| an agent that promotes removal of excess interstitial fluid and results in increased urine secretion |
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Term
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Definition
| graphic recording of reflected ultrasound waves from the heart |
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Term
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Definition
| electrical recordings of heart activity monitored by electrodes placed on the chest wall |
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Term
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Definition
| removal of the interior portion of an artery and occluding fatty deposit |
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Term
| extracorporeal circulation |
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Definition
| circulation of blood outside of the body for purposes of removing or exchanging substances |
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Term
| percutaneous transluminal coronary angioplasty |
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Definition
| dilation of a blood vessel by means of a balloon catheter inserted through the skin and into the lumen of the vessel to the site of the lesion, where the balloon is inflated to flatten plaque against the artery wall |
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Term
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Definition
| device placed in an artery after angioplasty surgery to keep from narrowing again |
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Term
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Definition
| volume of blood pumped per contraction |
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Term
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Definition
| use of a radioactive tracer given during exercise to detect decreased blood flow to a portion of the heart muscle |
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Term
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Definition
| surgical removal of a clot from a blood vessel |
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Term
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Definition
| an agent that dilate blood vessels |
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Term
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Definition
| an agent that constricts blood vessels |
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