myocardial perfusion imaging

imaging

[im´ij-ing] the production of diagnostic images, e.g., radiography, ultrasonography, or scintigraphy.digital subtraction imaging a technique in radiography in which electronic subtraction allows the visualization of individual images; see also angiography" >digital subtraction angiography.electrostatic imaging a method of visualizing deep structures of the body, in which an electron beam is passed through the patient and the emerging beam strikes an electrostatically charged plate, dissipating the charge according to the strength of the beam. A film is then made from the plate.gated cardiac blood pool imaging equilibrium radionuclide angiocardiography.horizontal beam imaging a grid positioning technique in radiology in which the grid cassette is positioned with its lead lines perpendicular to the floor.hot spot imaging (infarct avid imaging) infarct avid scintigraphy.magnetic resonance imaging see magnetic resonance imaging.myocardial perfusion imaging myocardial perfusion scintigraphy.

myocardial perfusion imaging

A technique in which the regional distribution of blood throughout the myocardium, is determined by injecting a radiopharmaceutical–eg, 201Tl. or 99mTc and capturing images with a gamma–scintillation camera; by determining blood and oxygen distribution, MPI informs on the hemodynamics and functional effect of coronary arterial stenosis

myocardial perfusion imaging

Abbreviation: MPI
The use of radioactive isotopes, such as ²⁰¹Tl or ⁹⁹mTc sestamibi, to gauge the blood supply and viability of the regions or walls of the heart. MPI is frequently used to assess patients with coronary artery disease, often in conjunction with exercise tolerance tests. A patient with a coronary artery that is almost totally blocked may take up only a small quantity of radioisotope during exercise but much more of the tracer after several hours of rest. By contrast, heart muscle that is fed by a completely blocked artery will take up no radioisotope either during or after exercise. See also: imaging

单词	myocardial perfusion imaging
释义	DictionarySeeimaging myocardial perfusion imaging imaging [im´ij-ing] the production of diagnostic images, e.g., radiography, ultrasonography, or scintigraphy.digital subtraction imaging a technique in radiography in which electronic subtraction allows the visualization of individual images; see also angiography" >digital subtraction angiography.electrostatic imaging a method of visualizing deep structures of the body, in which an electron beam is passed through the patient and the emerging beam strikes an electrostatically charged plate, dissipating the charge according to the strength of the beam. A film is then made from the plate.gated cardiac blood pool imaging equilibrium radionuclide angiocardiography.horizontal beam imaging a grid positioning technique in radiology in which the grid cassette is positioned with its lead lines perpendicular to the floor.hot spot imaging (infarct avid imaging) infarct avid scintigraphy.magnetic resonance imaging see magnetic resonance imaging.myocardial perfusion imaging myocardial perfusion scintigraphy. myocardial perfusion imaging A technique in which the regional distribution of blood throughout the myocardium, is determined by injecting a radiopharmaceutical–eg, 201Tl. or 99mTc and capturing images with a gamma–scintillation camera; by determining blood and oxygen distribution, MPI informs on the hemodynamics and functional effect of coronary arterial stenosis myocardial perfusion imaging Abbreviation: MPI The use of radioactive isotopes, such as ²⁰¹Tl or ⁹⁹mTc sestamibi, to gauge the blood supply and viability of the regions or walls of the heart. MPI is frequently used to assess patients with coronary artery disease, often in conjunction with exercise tolerance tests. A patient with a coronary artery that is almost totally blocked may take up only a small quantity of radioisotope during exercise but much more of the tracer after several hours of rest. By contrast, heart muscle that is fed by a completely blocked artery will take up no radioisotope either during or after exercise. See also: imaging AcronymsSeemean point of impact
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