Scintigram of ischaemic heart post heart attack

Scintigram of ischaemic heart post heart attack

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Credit: CENTRE JEAN PERRIN/SCIENCE PHOTO LIBRARY

Caption: False-colour scintigram (gamma camera scan) of a human heart showing ischaemia (reduced blood flow) following myocardial infarction, the death of a section of heart muscle following obstruction of a coronary artery - a heart attack. The image shows the uptake of a radio-isotope, Thallium-201, by the heart's muscle cells. Radioactive emissions recorded by the gamma camera are colour-coded to reveal a defect, represented by the lower gap in the horseshoe-shaped region of normal muscle (in red, blue & white). This type of "cold-spot" scan is used to demonstrate the heart's performance by comparing scans made at rest & during exercise.

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Keywords: cardiac, condition, disease, disorder, gamma camera scan, healthcare, heart, heart attack, heart disease, heart scan, infarction, ischaemia, medical, medicine, myocardial, myocardial infarction, scintigram

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