ACRR case studies
ACRR · Put your knowledge to work in context.
The ACRR is a professional certification in radiologic technology, aimed at technologists and imaging professionals who want to demonstrate a broad, current command of clinical radiography beyond entry-level practice. It suits practitioners preparing for expanded responsibilities, cross-modality roles, or simply a rigorous self-check on their knowledge base. The ACRR case studies are 5 cases and about 3,467 words.
1Pregnant Technologist and the I-131 Therapy Patient
A 29-year-old nuclear medicine technologist privately tells you she is about 9 weeks pregnant. She has not yet informed occupational health.
790 words, about 4 min2High Count Rate in a Flood Source QC
You are the physicist covering a gamma camera that has just returned from service. The service engineer replaced a photomultiplier tube and re-tuned the detector.
731 words, about 4 min3Pediatric Dose and the Uncooperative Child
A 4-year-old (16 kg) is scheduled for a Tc-99m DMSA renal scan to evaluate scarring after recurrent urinary tract infections. The referring clinician requests 'the standard adult dose' because the child is moving and the study 'needs to be quick and clear.' The child is frightened, crying, and will not lie still; the parent is anxious and asking whether the radiation is 'safe for a small child.' The department's weight-based pediatric dosing chart gives approximately 1.85 MBq/kg [50 µCi/kg] for DMSA, with a minimum activity.
647 words, about 3 min4Spill of F-18 FDG in the Hot Lab
At 07:40, during preparation for a PET list, a technologist drops a shielded syringe containing approximately 370 MBq [10 mCi] of F-18 FDG onto the hot-lab floor. The syringe barrel cracks and liquid spreads over roughly a 30 cm × 30 cm area near the dose-calibrator.
688 words, about 3 min5Elution Time and the 99mTc Generator
You are the authorized nuclear pharmacist covering a hospital radiopharmacy. The Tc-99m generator was last eluted 26 hours ago, and the department needs Tc-99m for a same-morning bone scan list.
611 words, about 3 min