thallium scan

thallium scan
a method of studying blood flow to the heart muscle (myocardium) and diagnosing myocardial ischaemia using an injection of the radioisotope thallium-201. Defects of perfusion, such as a recent infarct, emit little or no radioactivity and are seen as ‘cold spots’ when an image is formed using a gamma camera and computer. Exercise may be used to provoke ‘cold spots’ in the diagnosis of ischaemic heart disease.

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  • Thallium scan — A method of examining the heart to obtain information about the blood supply to the heart muscle. In the scan, special cameras take a series of pictures of the heart. Radioactive thallium is injected into the bloodstream and serves as a tracer.… …   Medical dictionary

  • Persantine thallium scan — A type of myocardial perfusion scan done to disclose any areas of the heart muscle that may not be getting enough blood to perfuse them properly. Persantine (Diprydamole) is a medication that dilates (widens) the coronary arteries. It produces an …   Medical dictionary

  • Stress exercise thallium scan — A method of examining the heart to obtain information about the blood supply to the heart muscle. Special cameras take a series of pictures of the heart. A radioactive substance is injected into the bloodstream and serves as a tracer. The tracer… …   Medical dictionary

  • Сканирование Таллиевое (Thallium Scan) — метод исследования кровотока в миокарде и диагностики ишемии миокарда с помощью радиоизотопа таллия 201. Ткани после нарушения кровоснабжения, например, после недавно перенесенного инфаркта миокарда, пропускают очень мало или совсем не пропускают …   Медицинские термины

  • thallium — A white metallic element, atomic no. 81, atomic wt. 204.3833; 201Tl (half life equal to 3.038 days) is used to scan the myocardium. [G. thallos, a green shoot (it gives a green line in the spectrum)] t. 201 (201 …   Medical dictionary

  • СКАНИРОВАНИЕ ТАЛЛИЕВОЕ — (thallium scan) метод исследования кровотока в миокарде и диагностики ишемии миокарда с помощью радиоизотопа таллия 201. Ткани после нарушения кровоснабжения, например, после недавно перенесенного инфаркта миокарда, пропускают очень мало или… …   Толковый словарь по медицине

  • Lung transplantation — Intervention ICD 9 CM 33.5 MeSH …   Wikipedia

  • nuclear cardiology — the study and diagnosis of heart disease by the intravenous injection of different types of radionuclide. The radionuclide emits gamma rays, enabling a gamma camera and computer to form an image of the heart. See MUGA scan, SPECT scanning,… …   Medical dictionary

  • nuclear cardiology — the study and diagnosis of heart disease by the intravenous injection of different types of radionuclide. The radionuclide emits gamma rays, enabling a gamma camera and computer to form an image of the heart. See: MUGA scan, SPECT scanning,… …   The new mediacal dictionary

  • Mayo Hospital — For the hospital in the United States, see Mayo Clinic. Mayo Hospital Mayo Hospital (Inpatient Building) Geography Location …   Wikipedia

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