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CARDIOVASCULAR AND PULMONARY LEGAL GLOSSARY |
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Glossary of Cardiovascular and Pulmonary Terms
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Radionuclide Imaging: A test in which a
harmless radioactive substance is injected into the bloodstream to show
information about blood flow through the arteries. Damaged or dead heart muscle
can often be identified, as can serious narrowing in an artery.
Radionuclide Studies: Any of the
diagnostic tests in which a small amount of radioactive material is injected
into the bloodstream. The material makes it possible for a special camera to
take pictures of the heart.
Radionuclide Veintriculography: A
diagnostic test used to determine the size and shape of the heart's pumping
chambers (the ventricles).
Restenosis: The re-closing or re-narrowing
of an artery after an interventional procedure such as angioplasty or stent
placement.
Revascularization: A procedure to restore
blood flow to the tissues. Coronary artery bypass surgery is an example of a
revascularization procedure.
Rheumatic Fever: A disease, usually
occurring in childhood, which may follow a streptococcal infection. Symptoms
often include fever, sore or swollen joints, skin rash, involuntary muscle
twitching, and development of nodules under the skin. If the infection involves
the heart, scars may form on heart valves, and the heart's outer lining may be
damaged.
Rheumatic Heart Disease: A disease of the
heart (mainly affecting the heart's valves) caused by rheumatic fever.
Right Ventricular Assist Device: A
mechanical device that can be placed outside the body or implanted inside the
body. An RVAD does not replace the heart-it "assists" or
"helps" it pump oxygen-poor blood from the right ventricle to the
lungs.
Risk Factor: An element or condition
involving a certain hazard or danger. When referring to heart and blood vessels,
a risk factor is associated with an increased chance of developing
cardiovascular disease, including stroke.
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