Term
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Definition
the large artery that emerges from the left ventricle |
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Term
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Definition
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Term
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Definition
| a vessel that is transitional between arteries and capillaries |
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Term
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Definition
| blood vessels that carry blood away from the heart |
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Term
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Definition
| the 2 superior chambers of the heart that receive incoming blood from veins |
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Term
atrioventricular bundle (AV bundle or bundle of His) |
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Definition
| arising from modified heart cells, a bundle of cell extensiond that serve as conducting pathways for impulses in the heart conduction system |
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Term
atrioventricular node (AV node) |
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Definition
| a cluster of modified heart cells that slow the impulse to the ventricle |
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Term
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Definition
| 2 heart valves, right and left, that channel blood to flow in one direction from an atrium to a ventricle |
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Term
| left atrioventricular valve |
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Definition
| the left heart valve that channels blood to flow in one direction from the left strium to the left ventricle; bicuspid valve; mitral valve |
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Term
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Definition
| the right heart valve that channels blood to flow in one direction from the right atrium to the right ventricle; tricuspid valve |
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Term
| sinoatrial node (SA node) |
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Definition
| a cluster of modified heart cells in the right atrial wall that originates each cardiac cycle |
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Term
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Definition
| cells of the heart myocardium |
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Term
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Definition
| a thin layer of connective tissue that lines the heart chambers |
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Term
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Definition
| the membrane forming the outer layer of the heart wall; visceral pericardium |
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Term
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Definition
| the bulk of the heart wall, it is composed of cardiac muscle tissue and is the functional part of the heart that produces contractions |
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Term
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Definition
| a space enclosed by the pericardial sac that contains the heart and fluid |
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Term
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Definition
| the outer membrane surrounding the heart; parietal pericardium |
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Term
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Definition
| the circulatory pathway that supplies the cells of the heart |
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Term
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Definition
| dilation of the heart chambers during which their walls relax and fill with blood |
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Term
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Definition
| the circulatory route associated with the lungs, in which releases its CO2 load and becomes oxygenated |
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Term
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Definition
| the major artery arising from the right ventricle |
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Term
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Definition
| the right semilunar valve |
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Term
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Definition
| contraction of the heart resulting in expulsion if blood from the heart chambers |
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Term
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Definition
| the circulatory route that begins from the left ventricle at the aorta, extends throughout the body except the lungs, and returns to the right atrium |
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Term
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Definition
| the lining of the heart chambers and blood vessels, it is composed of flattened epithelial cells and a thin layer of connective tissue |
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Term
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Definition
| narrowing of a blood vessel that is produced when the vessel wall contracts |
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Term
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Definition
| dilation of a blood vessel that is produced when the vessel wall relaxes |
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Term
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Definition
| body system comprised of the heart and blood vessels |
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Term
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Definition
| a blood vessel that carries blood toward the heart |
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Term
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Definition
| a small, transitional blood vessel between a capillary and a vein |
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Term
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Definition
| a general term that means a chamber, in the heart it refers to the 2 thick-walled chambers (right and left) that contract to push blood through arteries |
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Term
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Definition
| watery fluid consisting of plasma, blood cells and platelets, which suspends materials in its fluid medium as it is carried throughut the body by way of the cardiovascular system |
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Term
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Definition
| pressure within a blood vessel caused by blood volume within the confined space |
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Term
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Definition
| tube-shaped organs that carry blood |
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Term
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Definition
| microscopic blood vessels located between arteries and veins |
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Term
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Definition
| the fist-sized hollow muscular pump located in the thoracic cavity responsible for circulating blood throughout the body |
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Term
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Definition
| specialized cells that generate or carry impulses stimulating the heart to contract, which includes the AV node, SA node and AV bundle |
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Term
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Definition
| chest pain usually caused by an insufficient supply of blood to the heart |
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Term
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Definition
abnormal contractions (spasms) of a blood vessels wall |
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Term
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Definition
| narrowing of a blood vessel |
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Term
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Definition
| any loss of rhythm in the heart beat |
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Term
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Definition
an abnormally slow heart rate, usually under 50 bpm |
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Term
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Definition
| a sensation of pain in the heart |
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Term
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Definition
| a condition originating in the heart |
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Term
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Definition
| abnormal hypertrophy (enlargement) of the heart |
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Term
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Definition
| a symptom in which a blue tinge is seen in the skin and mucous membrane, which is caused by oxygen deficiency |
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Term
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Definition
| a disturbance or abnormality of the heart's normal rhythmic cycle |
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Term
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Definition
| an experience of pounding, racing or skipping of the heart beat |
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Term
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Definition
| a reduction of blood flow through a vessel, which may be caused by an occlusion or narrowing |
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Term
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Definition
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Term
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Definition
| bulging of an arterial wall caused by a congenital defect or an acquiuires weakness of the arterial wall produced as blood is pushed against it |
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Term
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Definition
| inflammation of the heart and blood vessels |
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Term
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Definition
| tumor arising from a blood vessel |
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Term
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Definition
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Term
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Definition
| hardening of the arteries |
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Term
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Definition
| narrowing of an artery due to the deposition of a fatty plaque along the internal wall |
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Term
atrial septal defect (ASD) |
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Definition
| congenital condition characterized by an opening in the septum that separates the right and left atria, allowing blood to pass between them |
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Term
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Definition
| a defect, usually congenital, that alters the structure of both an atrium and a ventricle |
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Term
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Definition
| cessation of heart activity |
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Term
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Definition
| acute compression of the heart due to the accumulation of fluid within the pericardial cavity |
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Term
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Definition
| a general disease of the heart muscle |
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Term
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Definition
| inflammation of the heart valves |
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Term
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Definition
| a pain in the limb, usually lower leg, caused by poor circulation |
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Term
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Definition
| congenital disease in which the aorta is narrowed, causing reduced systemic circulation and fluid accumulation in the lungs |
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Term
| congestive heart failure (CHF) |
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Definition
| a chronic condition characterized by the inability of the left ventricule to pump enough blood through the body to adequately dupply systemic tissues; left ventricular failure |
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Term
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Definition
| "heart lung"; this chronic enlargement of the rigt ventricle results from congestion within the pulmonary circulation; right ventricle failure |
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Term
coronary artery disease (CAD) |
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Definition
| a generalized condition of the arteries of the heart characterized by a reduction of blood flow to the heart wall |
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Term
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Definition
| blockage of an artery supplying the heart |
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Term
| deep vein thrombosis (DVT) |
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Definition
| the abnormal presence of stationary blood clots within the deep veins of the leg |
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Term
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Definition
a blood clot or foreign particle (including fat or air) that moves through the circulation |
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Term
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Definition
| inflammation of the endocardium |
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Term
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Definition
| uncoordinated, rapid contractions of the ventricles or atria, resulting in circulatory collapse |
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Term
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Definition
| extremely rapid, but regular, contractions of the heart |
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Term
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Definition
| an acute episode during which the heart fails to pump blood effectively, usually caused by a myocardial infarction |
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Term
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Definition
| an interference with the normal electrical conduction of the heart, often the result of an MI affecting the SA or AV node |
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Term
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Definition
| an abnormal soft, blowing or rasping sound hear through auscultation of the heart |
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Term
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Definition
| varicose vein in the anal region, which produces symptoms of local pain and itching |
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Term
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Definition
| persistently high BP which includes essential hypertension where is not traceable to a single cause, and secondary hypertension where the high BP is caused by the effects of another disease |
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Term
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Definition
| a chronic condition of low BP |
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Term
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Definition
| an abnormally low flow of blood to tissues |
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Term
| myocardial infarction (MI) |
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Definition
| death to a portion of the myocardium usually caused by an occluded vessel interrupting blood flow, it oftens results in a heart attack |
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Term
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Definition
| inflammation of the myocardium |
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Term
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Definition
| congenital condition characterized by an opening between the pulmonary artery and the aorta, allowing blood to pass across |
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Term
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Definition
| inflammation of the pericardium |
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Term
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Definition
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Term
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Definition
| inflammation of an artery at numerous sites |
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Term
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Definition
| 4 congenital defects associated with the heart- pulmonary stenosis, ventricular septal defect, incorrect position of the aorta, and right ventricular hypertrophy-combined as a result, the pulmonary circuit is bypassed |
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Term
| thromboangiitis obliterans |
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Definition
| vascular inflammatory disease that usually affects the lower extremities; Buerger's disease |
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Term
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Definition
| the presence of stationary blood clots within blood vessels |
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Term
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Definition
| a conditon of an abnormally dilated vein |
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Term
| ventricular septal defect |
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Definition
| an opening in the septum that separates the right ventricle from the left ventricle, allowing blood to pass between them |
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Term
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Definition
| surgical removal of an aneursym |
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Term
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Definition
| recording obtained from an angiography procedure |
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Term
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Definition
general surgical repair of a blood vessel |
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Term
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Definition
| suturing a blood vessel to close an incision |
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Term
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Definition
| use of an endoscope to observe a diseased blood vessel in oreder to assess the lesion and decide upon a mode of treatment |
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Term
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Definition
| a recording of an x-ray of the aorta |
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Term
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Definition
| a recording of an x-ray of a particular artery |
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Term
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Definition
| an incision into an artery |
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Term
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Definition
| surical removal of a fatty plaque within a blood vessel using a specialized rotary knife and a catheter |
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Term
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Definition
| physical examination consisting of listening to internal sounds using a stethoscope |
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Term
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Definition
| insertion of a catheter through a coronary blood vessel to withdraw blood samples, measure pressures and inject contrast medium for imaging purposes |
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Term
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Definition
a battery-powered device that is implanted under the skin and wired to the SA node |
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Term
| cardiopulmonary resuscitation (CPR) |
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Definition
| an emergency response procedure that includes artificial ventilation and external heart massage |
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Term
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Definition
| a recording of an x-ray of the hearts circulation |
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Term
| coronary artery bypass graft (CABG) |
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Definition
| surgical procedure in which a blood vessel is removed from another part of the body and inserted in the coronary circulation to bypass blood flow around an occluded coronary artery |
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Term
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Definition
| a plastic scaffold that is used to anchor a surgical implantation |
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Term
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Definition
| electrical charge to the heart in an effort to defibrillate, or to stop fibrillaton, of the heart delivered by paddles onto the skin , or to the heart muscle directlyt if the chest has been opened |
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Term
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Definition
| an ultrasound procedure that evaluates blood flow in an effort to determine the cause of a localized reduction in blood flow |
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Term
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Definition
| an ultrasound procedure where soundwaves are directed through the heart to evaluate heart anomalies |
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Term
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Definition
| procedure in which the electrical events associated with the beating of the heart are evaluated |
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Term
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Definition
| surgical removal of a floating blood clot or embolus |
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Term
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Definition
| incisin into an artery usually to remove fatty plaque or a blood clot |
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Term
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Definition
| surgical removal of hemorrhoids |
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Term
Holter ambulatory monitor |
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Definition
| a portable electrocardiograph worn by the patient, which monitors electrical activity of the heart over 24 hour periods |
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Term
| magnetic resonance angiography (MRA) |
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Definition
| magnetic resonance imaging of the heart and coronary blood vessels |
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Term
myocardial radionuclide perfusion scan |
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Definition
| following injection of an isotope, blood flow (perfusion) to cardiac cells is monitored |
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Term
| nuclear medicine imaging of the heart |
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Definition
| visualization of the heart following administration of radioactive isotopes to aid in diagnosis |
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Term
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Definition
| surgical creation of an opening in the pericardial sac |
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Term
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Definition
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Term
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Definition
| incision into a vein, usually to remove blood for sampling or to donate blood |
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Term
| positron emission tomography (PET) scan |
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Definition
| procedure that provides blood flow images using PET scan techniques with radioactive isotope labeling |
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Term
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Definition
| procedure that measures arterial BP using a device called a sphygmomanometer |
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Term
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Definition
| treatments dissolving blood clots or throbi |
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Term
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Definition
| surgical repair of a heart valve |
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Term
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Definition
| a recording of an x-ray of a vein |
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Term
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Definition
| hypertensive heart disease |
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Definition
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