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Technetium Tc 99m Pyrophosphate MeSH Descriptor Data 2025
A radionuclide imaging agent used primarily in scintigraphy or tomography of the heart to evaluate the extent of the necrotic myocardial process. It has also been used in noninvasive tests for the distribution of organ involvement in different types of amyloidosis and for the evaluation of muscle necrosis in the extremities.
Entry Version
TC PYRO
Entry Term(s)
99mTc-Pyrophosphate
Diphosphoric Acid, Technetium Salt
Tc 99m-Pyrophosphate
Tc-PYP
Technetium Tc 99m Pyrophosphate, Tc(3+) Salt (3:4)
Technetium Tc 99m Pyrophosphate, Tc(4+) Salt (1:1)
A radionuclide imaging agent used primarily in scintigraphy or tomography of the heart to evaluate the extent of the necrotic myocardial process. It has also been used in noninvasive tests for the distribution of organ involvement in different types of amyloidosis and for the evaluation of muscle necrosis in the extremities.