Term
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Definition
| inflammation of the pericardium, often resulting in a decrease in the amount of serous fluid. this in turn causes the pericardial layers to stick to eachother, forming painful adhesions that interfere with heart movements |
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Definition
| bacterial infection of the endocardium caused by the heart valve flaps becoming stiff --> causes the heart to contract more vigorously than normal |
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Definition
| when the myocardium is deprived of oxygen, often resulting in crushing chest pain |
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Term
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Definition
| if angina is prolonged, the ischemic heart cells may die, forming this |
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Definition
| results from infarct. commonly called "heart attack" or "coronary" |
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Term
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Definition
| AV node damage can partially release the ventricles from control of the SA node. when this occurs, the ventricles begin to beat at their own rate, which is much slower, some or all of the time. |
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Term
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Definition
| lack of an adequate blood supply to the heart |
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Definition
| a rapid uncoordinated shuddering of the heart. makes the heart totally useless as a pump |
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Definition
| abnormal or unusual heart sounds |
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Term
| CHF (congestive heart failure) |
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Definition
| occurs when the pumping efficiency of the heart is depressed so that circulation is inadequate to meet tissue needs. a progressive condition that reflects weakening of the heart by coronary atherosclerosis |
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Definition
| caused when blood vessels within the lung become swollen with blood, the pressure within increases and fluid leaks from the circulation into the lung tissue. |
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Definition
| pooling of the blood in the feet and legs and inefficient venous return resulting from inactivity or pressure on the veins |
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Definition
| inflammation of a vein that results when a clot forms in a vessel with poor circulation |
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Definition
| temporary low blood pressure and dizziness when rising suddenly from a reclining or sitting position |
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Definition
| strains the heart and damages the arteries. the heart is forced to pump against increased resistance, causing the myocardium to enlarge. |
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Term
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Definition
| ravaging of blood cells by hypertension, causing small tears in the endothelium that accelerate this process |
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Term
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Definition
| environmental interferences such as maternal infection and ingested drugs during pregnancy are major causes. may include ductus arteriosus that does not close, septal openings, and other structural abnormalities of the heart. |
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