Radiology Key

Many authors have concluded that the release of patients treated with therapeutic amounts of radiopharmaceuticals is not likely to expose any member of the public, including external and internal dose…

Pharmaceutical Indication Adult Dose Acetazolamide (Diamox) Brain perfusion 1 g in 10 mL sterile water, IV over 2 min for adults (14 mg/kg for children) 10–20 min before injecting tracer Adenosine (Adenocard) Cardiac stress 140 mcg/kg…

Pediatric doses of radiopharmaceuticals ideally should be kept as low as possible. A balance must be achieved between the smaller doses needed in a small patient and the minimum dose…

Fluorine-18 Time (Hours) Fraction Remaining 0.25 0.910 0.50 0.827 0.75 0.753 1.00 0.685 1.25 0.623 1.50 0.567 1.75 0.515 2.00 0.469 2.50 0.387 3.00 0.321 4.00 0.219 5.00 0.150 6.00…

The table that follows may be used to determine the amount of technetium-99m ( 99m Tc) remaining in a sample after a given period of time using the following formula:…

1.0 µCi = 0.037 MBq 450.0 µCi = 16.7 MBq 17.0 mCi = 629 MBq 2.0 µCi = 0.074 MBq 500.0 µCi = 18.5 MBq 18.0 mCi = 666 MBq 3.0 µCi = 0.111 MBq 600.0 µCi = 22.2 MBq 19.0 mCi = 703 MBq 4.0 µCi = 0.148 MBq…

0.05 MBq = 1.4 µCi 90.0 MBq = 2.43 mCi 875.0 MBq = 23.7 mCi 0.1 MBq = 2.7 µCi 100.0 MBq = 2.70 mCi 900.0 MBq = 24.3 mCi 0.2 MBq = 5.4 µCi 125.0 MBq = 3.38 mCi 925.0 MBq = 25.0 mCi 0.3 MBq = 8.1 µCi…

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