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 DESCRIPTION
If the exercise test is abnormal, can be indicated a study of the heart with isotopes, which is very exact, easy to do, not invasive (that is to say, painless and without pricks) and he does not need hospitable revenue. The radiation that receives one is low, and she can avoid other tests more complicated like the cardiac cateterismo (coronariografía).
TEST OF EXERCISE WITH TALIO
He consists of injecting a small dose of radioactive isotope into vein, during an exercise test into rolling tape. A special device registers a series of images of the locations of the isotope in the heart. The dark areas indicate parts of the heart where the blood flow does not come well. It does not give information about the artery blocked in particular.
CARDIAC GAMMAGRAFÍA (ANGIOGRAMA ISOTÓPICO)
A variant, in which an isotope injection is received in vein and next one lies down in an exercises table with the feet in the pedals of a bicycle. As one pedals, images are done to locate the isotope in the different areas of the heart. The key find would be to find a defect in the expansion or contraction of the wall of the heart, sign of that the arteries pressed hard at this level are not taking enough quantity of blood become oxygenated to the area.
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DESCRIPTION 
