Technetium

technetium /tech·ne·ti·um/ (tek-ne´she-um) chemical element, at. no. 43, symbol Tc.

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technetium 99m  the most frequently used radioisotope in nuclear medicine, a gamma emitter (0.141 MeV) having a half-life of 6.01 hours.

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tech·ne·ti·um (tk-nsh-m, -shm)

n. Symbol Tc

A radioactive metal, the first synthetically produced element, used as a tracer and in diagnostic imaging. Atomic number 43.

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Technetium

A radioactive isotope frequently used in radionuclide scanning of the heart and other organs. It is produced during nuclear fission reactions.

Mentioned in: Multiple-Gated Acquisition Scan, Salivary Gland Scan, Technetium Heart Scan

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technetium

a chemical element, atomic number 43, atomic weight 99, symbol Tc. See Table 6.

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technetium-99m

the most frequently used radioisotope in nuclear medicine, a gamma emitter having a half-life of 6.04 hours and a primary photon energy of 140 keV; symbol ^99mTc.

^99m

Tc sulfur coated scintiscan see scintiscan.