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Monday, December 11, 2023
Dipyridamole mnemonic for Nuclear Cardiology boards
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Sunday, December 10, 2023
PET crystals
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https://youtube.com/shorts/KrYSxeF0CqA?si=LdTNJd2aJc4FK0mc LSO/LYSO has small decay time Allows for improved coincidence timing
Friday, December 8, 2023
Linear no-threshold model in radiation safety
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The most conservative theory of radiation is the "linear no-threshold" (LNT) model. According to this model, there is no safe thre...
Deterministic vs Stochastic effects
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Deterministic effects (or tissue reactions) of ionizing radiation are related directly to the absorbed radiation dose and the severity of th...
Stannous ions in equilibrium radionuclide angiocardiography
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A small amount of stannous chloride (SnCl2) is added to a vial containing a radiopharmaceutical precursor, such as pertechnetate (TcO4^-). T...
Technetium gamma decay is an example of isomeric transition
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Technetium-99m (Tc-99m) undergoes a type of nuclear decay known as an isomeric transition when it emits gamma radiation. Specifically, Tc-99...
Photolectric effect and Compton scatter
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In the Compton effect, a photon interacts with an outer shell electron, resulting in the ejection of the electron and a scattered photon wit...
Sunday, December 3, 2023
Inaccurate camera settings, incorrect photopeak, flood field
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Inaccurate camera settings, incorrect photopeak, flood field for nuclear boards The pulse height analyzer (PHA) measures in-coming signals a...
Friday, December 1, 2023
BGO mnemonic for nuclear medicine boards
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See YouTube video here https://youtu.be/JTpj76zUS0I?si=zNhY9zkG3_55XVU1
Tracer uptake and coronary blood flow mnemonic for Nuclear Cardiology boards
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Nuclear medicine practive question: Inverse square law
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A vial containing 32 millicuries is emitting radiation at a rate of 1 roentgen per hour at a distance of 1 meter. If a technologist stands...
Radiation safety in pregnancy
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United States Nuclear Regulation Commission (USNRC) also recommends total fetus exposure during pregnancy to be less than 5.0 mSv (500 mrem)...
Thursday, November 30, 2023
Half life of Fluorine 18 is 110 minutes mnemonic
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