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Role standards

Imaging and diagnostics

Nuclear medicine technologist

What a newly credentialed nuclear medicine technologist must do without supervision in the hot lab and at the camera: prepare and give the right radiopharmaceutical at the prescribed dosage to the right patient, keep the equipment within its limits, and report anything that goes wrong. Drawn from the ARRT Nuclear Medicine Technology examination content specifications, with the NRC medical use rules in 10 CFR Part 35.

Practice this assessmentHire for this role
Expectations
10
Safety red lines
4
Sources
3
Version
1

Built from American Registry of Radiologic Technologists, US Nuclear Regulatory Commission, Electronic Code of Federal Regulations, American Society of Radiologic Technologists. Reviewed by clinicians, last on .

01What the role is measured on#

Every verdict is made of the same five dimensions. Each is scored on its own, so a candidate sees where they are strong and where to work.

  • Clinical skillsThe hands-on and judgement work of the role: recognising what matters, acting in the right order, and knowing when something cannot wait.
  • Workflow and toolsGetting the work done in a real setting: the systems, records, equipment and handoffs the role runs on, used correctly and on time.
  • Patient communicationHow the role talks with patients, families and colleagues: listening, explaining plainly, and confirming what was understood.
  • Compliance and safetyThe rules that protect people: privacy, consent, infection control, reporting duties and the safety checks the role is accountable for.
  • Role knowledgeKnowing the job itself: what the role is responsible for, where its scope ends, and who to bring in when it does.

02What a ready hire does#

What a competent nuclear medicine technologist does on day one, dimension by dimension.

Clinical skills

  • Prepares, measures and gives each radiopharmaceutical so that the right agent, at the prescribed dosage, reaches the patient by the right route, and stops when any check fails.
  • Acquires images with the collimator, energy window, timing and positioning the radiopharmaceutical and question require, and fixes what is correctable before the patient leaves.

Workflow and tools

  • Performs and interprets the daily checks on the dose calibrator, cameras and survey meters, and takes any instrument out of patient use when it falls outside its limits.
  • Records every administration completely and at the time, so the dose can be reconstructed and any event investigated.

Patient communication

  • Prepares patients before a study and gives radiation safety instructions afterwards in words they can follow, and confirms they can follow them.
  • Explains radiation and radioactivity in plain words that neither alarm nor falsely reassure, and checks the patient has understood.

Compliance and safety

  • Keeps dose to themselves, colleagues, patients and the public as low as reasonably achievable, and contains contamination before it spreads.
  • Confirms the right patient, the right study and, for a therapy dose, a signed written directive and a safe pregnancy and breastfeeding status before any radiopharmaceutical is given.

Role knowledge

  • Recognises a misadministration, spill or near miss, makes the patient and area safe, reports it at once to those who must know, and preserves what is needed to find the cause.
  • Knows what the technologist does under the authorized user's supervision and takes anything beyond it to the right person.

03Safety red lines#

Any one of these keeps a candidate from Ready Day One, whatever the rest of the score. They are published so nobody meets them for the first time in the assessment.

  • Would administer a dosage that has not been measured in the dose calibrator, that falls outside the prescribed range or differs from the prescribed dosage by more than 20 percent, or that comes from a preparation that failed its quality control, without the authorized user's direction.

    NRC rules forbid it because a dose, once given, cannot be taken back: the patient carries the extra radiation, and a failed preparation gives a non-diagnostic study and a repeat dose.

  • Would give a radiopharmaceutical without confirming the patient's identity with two identifiers against the order or written directive, or would give a therapy dose without a signed written directive and confirmed pregnancy and breastfeeding status.

    A dose given to the wrong person, a pregnant patient or a breastfeeding mother irradiates someone who was never meant to receive it, and a therapy dose can destroy a thyroid or harm a fetus or infant.

  • Would use a dose calibrator, camera or survey meter for patients after it failed its daily check, or would record a check that was not done or not passed.

    A failing calibrator mis-measures every dose and a failing camera can create or hide disease on the images; a false QC record hides both from everyone who relies on it.

  • Would not report a wrong radiopharmaceutical, wrong dosage, wrong patient or wrong route, or a spill or contamination, or would repeat the study or clean up quietly so that nobody finds out.

    The licensee has legal clocks for notifying the regulator, the referring physician and the patient, the patient may need care, and a hidden event is repeated.

04Outside the role#

Knowing where the role stops is part of the standard. Going past it is not extra credit.

  • Does not change the prescribed radiopharmaceutical, dosage or route, give a therapy dose without a signed written directive, or release a therapy patient, on their own authority.Works under the authorized user's prescription, written directive and supervision, and takes any discrepancy to the authorized user before administration.
  • Does not decide whether an event is reportable, or notify the regulator, the referring physician or the patient on their own.Reports at once to the authorized user and the radiation safety officer, who carry the licensee's notification duties to the NRC or the Agreement State; outside the US, the national regulator's rules apply.
  • Does not interpret images or tell a patient what the scan shows.Tells the reading physician about anything technical or urgent-looking, and tells the patient the results will come from their doctor.
  • Does not perform diagnostic CT on a hybrid scanner beyond what their credentials and state licensure allow.Performs CT for attenuation correction and localisation within scope, and leaves diagnostic CT to a technologist credentialed for it where state rules require.

05How it is assessed#

  • A spoken assessment

    An examiner talks the candidate through realistic cases from this role, and follows up the way a senior colleague would.

  • Five dimensions

    Each answer is read against the expectations above and rated on the same four-level scale.

  • The 70 bar

    Every scorecard shows the score against 70, overall and for each dimension, with the reason for the verdict.

  • Safety first

    Crossing one of the safety red lines holds a pass back, however strong the rest was.

The four levels

  1. Not yet
  2. Developing
  3. Proficient
  4. Exemplary
How a verdict is made

06Sources and review#

Drawn from the certification frameworks and practice standards below, and reviewed by clinicians. Version 1, last reviewed .

Cited as sources. Not an endorsement by the organizations named.

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