Radiopharmaceuticals and Dosages Review

Comprehensive flashcards covering radiopharmaceuticals, dosages, and related procedures for effective study and review.

What is the dosage of Tc99m Sulfur Colloid for Gastroesophageal Reflux study?

300 uCi mixed with 150 mL of 0.1 N hydrochloric acid and 150 mL of orange juice.

What is the dosage for Solid Gastric Emptying study using Tc99m Sulfur Colloid?

0.5-1 mCi in eggs.

Which radiopharmaceutical is used for Liquid Gastric Emptying?

In-111 DTPA with a dosage of 75 uCi in water.

For a GI Bleed study, what is the dosage for Tc99m RBCs?

20-30 mCi.

What is the recommended dose for Meckel’s Diverticulum using TcO4 - (Pertechnetate)?

Peds: 200-300 uCi/kg, Adults: 10-15 mCi.

What is the dosage for a Liver-Spleen Scan using Tc99m Sulfur Colloid?

5-10 mCi.

Which radiopharmaceutical is used for a Liver Hemangioma Scan?

Tc99m RBCs at a dose of 15-25 mCi.

What is the dosage for a Hepatobiliary Scan?

Tc99m Mebrofenin or Tc99m Disofenin at 1-5 mCi.

For LeVeen Shunt Study, what is the dose of Tc99m MAA?

5 mCi.

What is the dosage for Brain Death imaging using Tc99m ECD or Tc99m HMPAO?

10-20 mCi.

What is the recommended dose for a PET Brain Study with F18 FDG?

10-20 mCi.

What radiopharmaceuticals are used for Brain Tumors imaging?

F18 FDG or Tl-201 with a dose of 10-20 mCi for FDG.

What is the dose for Beta Amyloid Plaque Imaging?

F18 Florbetapir at 10 mCi, F18 Flutemetamol at 5 mCi, F18 Florbetaben at 8 mCi.

What is the dosage for Tau Imaging for AD?

F18 Flortaucipir at 10 mCi.

What is the dosage for Parkinsonian Imaging using I-123 Ioflupane?

3-5 mCi.

What is the required dosage for a Cisternogram to check for Hydrocephalus?

In-111 DTPA at 500 uCi.

For CSF Shunt Study, what is the dosage for In-111 DTPA?

0.5 mCi.

What is the recommended dose for a Renogram with Lasix?

Tc99m MAG3 or Tc99m DTPA at 10 mCi.

Which radiopharmaceuticals are used for Morphological Renal Imaging?

Tc99m DMSA at 1-6 mCi or Tc99m Glucoheptonate at 10-20 mCi.

What dosage is used for a 2 Stage Renogram with Captopril?

Tc99m MAG3 at 1-2 mCi for baseline and 10 mCi for the Captopril image.

What is the dose of F18 NaF for a PET Bone Scan?

5-10 mCi.

For a Bone Scan using Tc99m MDP, what is the recommended dosage?

10-20 mCi.

What is the dosage for a 3-Phase Bone Scan with Tc99m MDP?

10-20 mCi.

What is the dose of Sr-89 Chloride for Bone Pain Palliative Therapy?

4 mCi (40-60 uCi/kg).

What is the dosage for Ra-223 Dichloride in mCRPC Therapy?

1.49 uCi/kg at 4-week intervals for 6 injections.

What is the dosage for a Bone Marrow Scan using Tc99m Sulfur Colloid?

10-15 mCi.

For Lung Perfusion Scan, what is the dosing of Tc99m MAA?

1-4 mCi.

What dosage is used for Lung Ventilation Scan with Xe-133 Gas?

10-20 mCi.

For Lung Ventilation Scan with Tc99m DTPA aerosol, what is the dose?

25-40 mCi.

What is the recommended dosage for a Thyroid Uptake/Scan using I-131 Sodium Iodide?

5-30 uCi.

What is the dosage for Thyroid Therapy with I-131 Sodium Iodide for locally metastatic disease?

150-200 mCi.

What is the acceptable dose for thyroid uptake only using I-123 Sodium Iodide?

50-100 uCi.

What is the dose used for the Neuroendocrine Tumor Scan using In-111 DTPA Octreotide?

6 mCi.

What is the dosage for Pheochromocytoma Scan?

I-131 MIBG at 0.5-1 mCi or I-123 MIBG at 3-10 mCi.

What is the dose for a Direct Vesicoureteral Reflux Study using TcO4 - (Pertechnetate)?

0.5-1 mCi in appropriate amount of saline to fill the bladder.

For Indirect Vesicoureteral Reflux Study, what is the dose?

Tc99m DTPA.

What is the effective renal plasma flow study dosage using Tc99m MAG3?

Dosage is unspecified.

What is the dosage for the Glomerular Filtration Rate Study with Tc99m DTPA?

Dosage is unspecified.

What is the dosage for a 1 Day MPI using Tc99m Tetrofosmin for stress?

30 mCi.

What is the dosage for a Dual Isotope MPI with Tl-201 Thallous Chloride and Tc99m Tetrofosmin?

3 mCi (Rest-Tl) and 25 mCi (Stress-Tc).

What is the dose used in a Cardiac Viability Study with F18 FDG?

10-15 mCi.

What is the recommended dose for MUGA (Ventriculogram) using Tc99m RBCs?

20-30 mCi.

For Cardiac First Pass Study, what is the dosage with Tc99m DTPA?

20-30 mCi.

What is the dose of I-123 MIBG used in Myocardial Adrenergic/Cholinergic Intervention Study?

10 mCi.

What is the dosage for the Infection Imaging study using Ga-67 Citrate?

5-10 mCi.

What is the recommended dose for WBC Imaging using In-111 Oxine?

500-600 uCi.

For Breast Cancer Imaging, what is the dosage for Tc99m Sestamibi?

20-30 mCi.

What is the recommended dose for Melanoma Lymphoscintigraphy?

Tc99m Filtered Sulfur Colloid at 100 uCi (4-8 injections).

What is the dose for Lymphoscintigraphy using Tc99m Tilmanocept?

0.5 mCi.

What is the dosage for PET NET Imaging using Ga-68 DOTATATE?

0.054 mCi/kg up to 5.4 mCi.

What is the standard dose for NET Therapy with Lu-177 DOTATATE?

200 mCi every 8 weeks for 4 doses.

For Prostate Cancer Imaging, what is the dose for F18 Fluciclovine?

10 mCi.

What is the dosage for Thyroid Procedures using Recombinant TSH (rhTSH)?

0.9 mg MI for 2 days.

What's the dosage of Acetazolamide for Brain SPECT studies?

1 g in 10 mL sterile water.

What is the dosing requirement for Captopril in Renal Scan (RAS)?

25-50 mg orally 1 hour prior to study.

What is the dose for Enalaprilat in Renal Scan (RAS)?

0.04 mg/kg in 10 mL saline over 5 min.

What is the dosage of Furosemide in Renal Scan (Diuretic)?

0.5 mg/kg up to 40 mg.

What is the dosage of Lidocaine for a Cisternogram?

Not applicable.

What is the dose of Adenosine for Cardiac MPI?

140 ug/kg/min for 6 min.

What is the recommended dose of Regadenoson in Cardiac MPI?

0.5 mg/5 mL IV rapid injection followed by immediate saline flush.

What dosage is used for Dipyridamole administration in Cardiac MPI?

0.57 mg/kg IV over 4 min.

What is the starting dose of Dobutamine for Cardiac MPI?

Start with 5 ug/kg/min.

What is the maximum dose for teaching radiology residents during Cardiac MPI?

40 ug.

What is the dose of Atropine in Cardiac MPI?

0.2-1 mg IV.

What is the dose of Aminophylline in Cardiac MPI?

50-250 mg IV.

What is the required dose for Insulin in Cardiac Viability?

1-5 units (MD dependent).

What is the dosage of the ACR (Acid-citrate-dextrose) solution for RBC/WBC scans?

Not applicable.

What is the shelf life of an eluted Mo-Tc generator?

12 hours, stored at room temperature.

What is the maximum shelf life for Tc99m MAA kit after labeling?

6-8 hours, stored at 2-8 degrees C.

What are the labeling steps for Tc99m DTPA (Pentetate)?

Add pertechnetate to kit and mix.

How long can Tc99m MDP be stored after preparation?

6 hours, stored at 15-30 degrees C.

What is the dosage recommendation for a patient undergoing Tc99m HMPAO (Exametazime) labeling?

Shelf life of 30 min after preparation.

What is the proper labeling process for Tc99m Sestamibi?

Add pertechnetate to kit and heat mixture in boiling water for 10 minutes.

What is the procedure for calibrating Tc99m MAG3 (Mertiatide)?

Add pertechnetate to kit, introduce filtered air, heat for 10 min, then cool for 15 min.

What is the shelf life for Tc99m Tetrofosmin after its preparation?

8 hours, stored at room temperature.

How should Tc99m DMSA (Succimer) be labeled?

Add pertechnetate to kit and incubate for 10 min.

What is the typical labeling method for In-111 Oxine?

Incubate with 7 mL ACD and 6% hetastarch.

What is a required measure during the labeling with Tc99m?

Pertechnetate must not be older than 2 hours since elution.

What PRG should follow the administration of therapeutic agents?

Patients must be monitored for 72 hours before assessing for dose limits.

What is the labeling requirement for modified in vivo red blood cell labeling?

Inject cold PYP IV and wait 15-30 min before blood withdrawal.