Search results
Results from the WOW.Com Content Network
Technetium-99m (Tc-99m) can be readily detected in the body by medical equipment because it emits 140.5 keV gamma rays (these are about the same wavelength as emitted by conventional X-ray diagnostic equipment), and its half-life for gamma emission is six hours (meaning 94% of it decays to 99 Tc in 24 hours). Besides, it emits virtually no beta ...
Technetium (99m Tc) sestamibi is a lipophilic cation which, when injected intravenously into a patient, distributes in the myocardium proportionally to the myocardial blood flow. Single photon emission computed tomography imaging of the heart is performed using a gamma camera to detect the gamma rays emitted by the technetium-99m as it decays.
The metastable technetium-99m (99m Tc) is a short-lived (half-life about 6 hours) nuclear isomer used in nuclear medicine, produced from molybdenum-99. It decays by isomeric transition to technetium-99, a desirable characteristic, since the very long half-life and type of decay of technetium-99 imposes little further radiation burden on the body.
Technetium (99m Tc) tetrofosmin is a drug used in nuclear medicine cardiac imaging.It is sold under the brand name Myoview (GE Healthcare).The radioisotope, technetium-99m, is chelated by two 1,2-bis[di-(2-ethoxyethyl)phosphino]ethane ligands which belong to the group of diphosphines and which are referred to as tetrofosmin.
Technetium (99m Tc) pentetic acid, sold under the brand name Draximage DTPA among others, is a radiopharmaceutical medication used in nuclear medicine to image the brain, kidneys, or lungs. [1] It is given by intravenous injection or via aerosol spray. [ 1 ]
A nuclear pharmacist adds anywhere from 50 - 100 mCi of Na[99m TcO 4] to the reaction vial to make the final product, in the pH range of 3.8 to 8.0. After being allowed to react at room temperature for 15 minutes to ensure maximum labeling of the human albumin with 99m Tc, the kit can then be diluted with sterile normal saline as needed.
Technetium-99m: A Crucial Diagnostic Tool for Modern Medicine. Technetium-99m is one of the most widely used radiopharmaceuticals in diagnostic imaging due to its ability to provide high-quality, real-time images of internal bodily processes. Its use in various scans, such as bone, renal, cardiac, and neurological scans, makes it indispensable ...
Technetium (99m Tc) arcitumomab was a drug used for the diagnostic imaging of colorectal cancers, marketed by Immunomedics. [1] It consisted of the Fab' fragment of a monoclonal antibody (arcitumomab, trade name CEA-Scan ) and a radionuclide , technetium-99m .