Critical/Target Organs All - Nuclear Medicine 312 with Vanessa at Oregon Institute of Technology - StudyBlue Flashcards Use waterproof gloves and effective shielding, including syringe shields, when preparing and administering technetium Tc99m tetrofosmin injection. Quickly memorize the terms, phrases and much more. The target organ for Tc-99m pertechnetate is the stomach, followed by the thyroid gland (Table 13-5). Any disease process which results in extracellular fluid expansion will lead to accumulation of this tracer. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Home Job Training and Career Qualifications In MIRD method, the dose absorbed in the target organs are estimated as a function of activities accumulated in the source organ and it provides a generally correct mathematical estimate dose. Myocardial Imaging: Technetium TC 99M Sestamibi Injection is a myocardial perfusion agent that is indicated for detecting coronary artery disease by localizing myocardial ischemia (reversible defects) and infarction (non-reversible defects), in evaluating myocardial function and developing information for use in patient management decisions. Tc-99m DTPA (diethylenetriamine-pentaacetic acid) (aerosol) is one of the technetium agents and is used in VQ imaging. However, experimental evidence points to the mucin-secreting cells as important. Study Flashcards On Nuclear medicine notes at To determine the critical organ, we ask that investigators consider the organ dose to what would be the critical organ from each radiopharmaceutical for both radiopharmaceuticals. Dose to Critical Organ The first two rows in the Radiation Dosimetry of Radiopharmaceutical table below involve calculating the committed equivalent dose for potential critical organs. For example, for a bone scan, the radiopharmaceutical is either Tc99m HDP or MDP, and the critical organ that limits the dose is the bladder. The principal emission (140-keV photon) of 99m Tc has a half-value layer (HVL) of … Organ doses can be obtained from the tables linked above, particularly ICRP 106. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Study 34 Critical/Target Organs All flashcards from Courtney S. on StudyBlue. The tracer is held intracellularly proximate to the mitochondria. The colon is the critical organ and receives about 1 to 2 rad/10 mCi (0.04 mGy/MBq) of 99m Tc pertechnetate administered.

Technetium Tc99m tetrofosmin is a radioactive drug and should be handled with appropriate safety measures to minimize radiation exposure during administration [see Warnings and Precautions (5.2]). Sestamibi is a lipophilic cation, which diffuses from the blood into the myocardial cells.

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