What are the best radiation safety practices for a radiologic technologist to follow?

For a radiologic technologist, adhering to radiation safety practices is both a professional and ethical obligation . The bedrock of these practices is the ALARA principle (As Low As Reasonably Achievable ), which is executed through the three cardinal rules of radiation protection: Time, Distance, and Shielding.

The best practices for a radiologic technologist are organized below:

• Apply the Cardinal Principles (Time, Distance, and Shielding)
  • Time: Minimize the duration of exposure. In fluoroscopy, use pulsed modes, keep active fluoroscopy time to the absolute minimum necessary, and utilize "last image hold" features rather than stepping on the pedal continuously.
  • Distance: Maximize your distance from the radiation source. Remember the Inverse Square Law (I₁ / I₂ = (d₂ / d₁)²): doubling your distance from a scatter source reduces your radiation intensity to one-quarter. Step back behind the control booth or use extended tubing/remote injectors whenever feasible.
  • Shielding: Utilize structural and personal protective equipment (PPE). Always wear a properly fitted lead apron, thyroid collar, and leaded eyewear or structural drapes during fluoroscopy or mobile exams. Ensure physical barriers like control booth glass or mobile lead shields are correctly positioned.
• Optimize Technical Factors and Image Quality
  • Collimation: Strictly collimate the primary X-ray beam to the precise area of clinical interest. This reduces the integral dose to the patient and significantly cuts down on harmful scatter radiation reaching the technologist.
  • Selection of kVp and mAs: Balance technical factors appropriately (e.g., using higher kVp and lower mAs where appropriate to reduce patient skin dose while maintaining acceptable image contrast).
  • Avoid Repeat Exposures: Double-check patient identification, review technique charts, and ensure proper positioning on the first attempt to prevent the need for repeat exams, which needlessly double the dose.
• Manage Occupational Dosimetry
  • Wear Dosimeters Correctly: Wear your personnel monitoring device (badge/dosimeter) consistently—typically at the collar level outside the lead apron, or under the apron if a dual-badging protocol is required by your facility's Radiation Safety Officer (RSO).
  • Monitor Exposure Records: Regularly review your occupational dose reports to track trends and ensure your cumulative exposure remains well below annual regulatory occupational limits.
• Protect Patients and the Public
  • Never Hold Patients Manually: Avoid manually holding patients during an exposure. If immobilization is required, utilize mechanical restraining devices, or ask a non-occupational volunteer (like a family member) who is properly shielded and briefed.
  • Screen for Pregnancy: Always perform a thorough pregnancy screening for female patients of childbearing age before initiating any ionizing radiation procedure.
  • Alert the Area During Mobile Exams: During mobile radiography or C-arm usage, verbally announce a clear warning (e.g., calling out "X-ray going out") and ensure all unprotected staff, visitors, or room occupants step outside or behind a mobile barrier before exposing.
• Maintain Equipment and Continuing Education
  • Quality Control (QC): Report any equipment malfunctions, calibration issues, or erratic generator behavior immediately to your RSO or medical physicist.
  • Stay Updated: Maintain active clinical competencies and fulfill continuing education requirements through organizations like the American Society of Radiologic Technologists (ASRT) and registry standards via the American Registry of Radiologic Technologists (ARRT) to stay current on evolving safety protocols.

Would you like to focus on safety practices for a specific modality like fluoroscopy/interventional radiology , or do you need guidance on calculating/understanding dose limits?

The best radiation safety practices for a radiologic technologist center on the principle of ALARA (As Low As Reasonably Achievable)—keeping radiation exposure as low as practical while still obtaining the necessary diagnostic information. The core protections are time, distance, and shielding.

1. Minimize exposure time

• Keep beam-on time as short as possible.
• Plan procedures before activating the exposure (positioning, technique selection, communication).
• In fluoroscopy, use:
  • Pulsed fluoroscopy when appropriate.
  • Last-image hold.
  • Avoid unnecessary magnification and prolonged fluoroscopy runs.
• Avoid repeat images by:
  • Confirming patient positioning.
  • Selecting appropriate exposure factors.
  • Reviewing images before repeating.

2. Maximize distance from radiation sources

• Increase distance from the patient and the x-ray tube whenever possible.
• Remember that the patient is often the main source of scatter radiation during diagnostic procedures.
• Step behind protective barriers during exposures when possible.
• Follow the inverse square law: increasing distance significantly reduces radiation intensity.

3. Use appropriate shielding

• Wear and properly maintain personal protective equipment (PPE), such as:
  • Lead aprons.
  • Thyroid collars.
  • Leaded glasses (especially in fluoroscopy/interventional settings).
• Use structural shielding:
  • Control booth barriers.
  • Mobile lead shields.
  • Ceiling-suspended shields.
  • Table-mounted shields during fluoroscopic procedures.
• Never place lead gloves or other protective devices in the primary beam.

4. Wear and properly use dosimeters

• Wear your personal dosimeter according to facility policy (commonly at the collar level outside the apron for fluoroscopy).
• Do not:
  • Leave the badge in the imaging room.
  • Share badges.
  • Store badges near radiation sources.
• Review dose reports and address unusual increases with the radiation safety officer.

5. Optimize patient protection

• Verify:
  • Correct patient.
  • Correct exam.
  • Correct body part and positioning.
• Use proper:
  • Collimation to limit the exposed area.
  • Technique selection.
  • Automatic exposure control appropriately.
• Avoid unnecessary repeats while maintaining diagnostic image quality.

6. Follow equipment and workplace safety procedures

• Perform required equipment checks and report problems.
• Ensure warning lights, door interlocks, and shielding systems function correctly.
• Follow facility policies for mobile radiography, CT, fluoroscopy, nuclear medicine, or other specialized environments.
• Maintain required radiation safety education and competency training.

7. Maintain good clinical habits

• Never stand in the primary beam.
• Communicate clearly with patients and staff before exposures.
• Use immobilization devices when appropriate to reduce motion-related repeats.
• In pregnancy, follow workplace policies and consult the radiation safety program for monitoring and accommodations if needed.

A simple daily checklist for a technologist is:

Before exposure: Verify patient/exam → optimize positioning → collimate → select technique.
During exposure: Minimize time → maximize distance → use shielding.
After exposure: Evaluate image quality → avoid unnecessary repeats → monitor dose practices.

For a radiologic technologist, radiation safety revolves around the foundational philosophy of ALARA (As Low As Reasonably Achievable ), ensuring that radiation exposure to both patients and staff is minimized without compromising diagnostic quality.

The core practices are categorized below by the cardinal principles of radiation protection, technical optimization, and daily operational habits:

1. The Three Cardinal Principles of Radiation Protection

• Time: Minimize the duration of time spent in areas with active radiation fields or near sources (such as during fluoroscopy). Utilize features like pulsed fluoroscopy and digital last-image hold to reduce active beam-on time.
• Distance: Maximize distance from the radiation source. Because radiation intensity drops significantly according to the inverse square law (I₁ / I₂ = D₂² / D₁²), stepping back just a few extra feet or utilizing extended tubing/remote positioning during mobile or fluoroscopic procedures heavily reduces personal exposure.
• Shielding: Wear and utilize appropriate personal protective equipment (PPE), including properly fitted lead aprons, thyroid shields, leaded eyewear, and protective gloves. Ensure structural and mobile barriers (such as control booth windows and lead acrylic screens) are fully utilized.

2. Technical Optimization & Image Quality

• Accurate Exposure Factors (kVp and mAs): Select optimal technical parameters tailored to the patient's body habitus. Use higher kVp and lower mAs combinations where clinically appropriate to reduce overall patient skin dose while maintaining acceptable image contrast.
• Strict Collimation: Restrict the primary X-ray beam to the precise anatomical area of interest. Proper collimation reduces the volume of irradiated tissue, which inherently reduces the production of harmful scatter radiation and improves image contrast.
• Minimizing Repeat Exposures: Prevent the need for repeat exams by carefully verifying patient identity, thoroughly explaining breathing instructions, utilizing proper positioning aids, and reviewing previous images. A repeat exam effectively doubles the dose for that projection.

3. Occupational Monitoring and Equipment Care

• Proper Dosimetry Badge Usage: Wear your assigned personnel dosimeter (e.g., OSL or TLD badge) consistently at collar level outside the lead apron, or at waist level underneath if a double-badge protocol is required by your Radiation Safety Officer (RSO).
• Garment Integrity Maintenance: Inspect lead aprons and thyroid shields visually and via annual fluoroscopic/radiographic integrity screening for cracks, tears, or creases. Store garments on proper hanging racks rather than folding them, which damages the internal lead lining.
• Quality Control (QC) & Maintenance: Support regular equipment testing and calibration protocols. Report any equipment malfunctions, unusual exposure creep, or mechanical anomalies to the physics or engineering department immediately.

4. Patient Advocacy and Special Populations

• Clinical Justification & Screening: Screen female patients of childbearing age for potential pregnancy status before executing exams involving ionizing radiation.
• Pediatric Adjustments: Scale exposure parameters, grids, and protocols down aggressively for pediatric and smaller patients to account for higher radiosensitivity.

Would you like to explore fluoroscopy-specific safety techniques or guidelines for mobile radiography environments?

Radiologic technologists play a central role in protecting both patients and healthcare workers from unnecessary radiation exposure. The guiding principle is ALARA (As Low As Reasonably Achievable)—minimizing radiation exposure while still obtaining diagnostic-quality images.

Here are the most important radiation safety practices:

1. Apply the ALARA principle every time

Every examination should be justified and optimized by:

• Using the lowest exposure settings that still produce a diagnostic image.
• Avoiding unnecessary repeat exams.
• Tailoring techniques to the patient's size and the clinical indication.

2. Follow the three fundamentals of radiation protection

• Time: Spend as little time as practical near active radiation sources.
• Distance: Maximize your distance from the source whenever possible.
• Shielding: Use structural barriers, mobile shields, or personal protective equipment when appropriate.

3. Wear and use protective equipment correctly

Depending on the procedure:

• Lead apron
• Thyroid shield
• Lead glasses (especially during fluoroscopy or interventional procedures)
• Ceiling-mounted or mobile shields when available

Protective equipment should be inspected regularly for cracks or damage.

4. Wear your

The most important radiation safety principle for a radiologic technologist is ALARA (As Low As Reasonably Achievable). ALARA means minimizing radiation exposure while still obtaining diagnostic-quality images. It is achieved by applying the three core principles of time, distance, and shielding.

Here are the key best practices:

1. Minimize exposure time

   • Prepare the patient and equipment before making the exposure.
   • Avoid repeat examinations by verifying patient identity, positioning, and technique.
   • Use fluoroscopy only for the time necessary.

2. Maximize distance

   • Stand as far from the radiation source as practical during exposure.
   • Remember the inverse square law: doubling your distance from the source significantly reduces exposure.
   • Step behind a protective barrier whenever possible.

3. Use appropriate shielding

   • Wear properly fitted lead aprons, thyroid shields, and other required protective equipment.
   • Use mobile lead barriers when available.
   • Ensure protective equipment is regularly inspected for cracks or damage.

4. Wear and monitor your dosimeter

   • Wear your personal dosimeter consistently according to your facility's policy.
   • Review dose reports regularly.
   • Report unusual exposures promptly to your radiation safety officer.

5. Optimize imaging techniques

   • Use the lowest exposure settings that still produce diagnostic images.
   • Select appropriate kVp and mAs.
   • Use automatic exposure control (AEC) when appropriate.
   • Collimate the beam tightly to the area of clinical interest to reduce patient dose and scatter radiation.

6. Avoid unnecessary repeat images

   • Verify patient positioning before exposure.
   • Confirm the correct examination and laterality.
   • Communicate clearly with the patient to minimize motion.

7. Protect patients

   • Perform only medically justified imaging studies.
   • Use age- and size-appropriate protocols, especially for children.
   • Restrict the x-ray field to the smallest area necessary. Pediatric dose optimization initiatives emphasize using child-specific protocols whenever appropriate.

8. Practice safe fluoroscopy habits

   • Keep the image receptor as close to the patient as possible.
   • Keep the x-ray tube as far from the patient as practical.
   • Use pulsed fluoroscopy and the lowest acceptable frame rate.
   • Minimize magnification unless clinically necessary.

9. Maintain equipment quality

   • Ensure imaging equipment undergoes routine quality control and preventive maintenance.
   • Report malfunctioning equipment immediately.

10. Continue radiation safety education

    • Stay current with institutional protocols, regulatory requirements, and advances in dose-reduction technology.
    • Participate in ongoing radiation safety training.

Quick memory aid: TDS + ALARA

• Time – reduce exposure time.
• Distance – increase your distance from the source.
• Shielding – use appropriate protective barriers.
• ALARA – keep radiation exposure as low as reasonably achievable while obtaining the needed diagnostic information.

Following these practices protects both patients and healthcare workers, reduces cumulative occupational exposure, and helps maintain compliance with radiation safety standards.

The best radiation safety practices for a radiologic technologist center on the ALARA principle (As Low As Reasonably Achievable), which requires minimizing radiation doses while maintaining high-quality diagnostic images . Core safety measures include the three cardinal principles—time, distance, and shielding —along with strict adherence to technical and procedural protocols.

1. The Three Cardinal Principles

• Time: Minimize the duration of exposure. Work quickly in high-radiation areas and use pulsed fluoroscopy (e.g., 7.5 to 15 frames per second) instead of continuous mode.
• Distance: Maximize distance from the source. Radiation intensity drops significantly with distance, as shown by the inverse square law; even a few extra steps away from a portable X-ray unit drastically reduce exposure.
• Shielding: Utilize protective barriers between you and the source. This includes structural shielding (concrete walls) and personal protective equipment (PPE).

2. Personal Protective Equipment (PPE)

• Lead Aprons: Wear aprons with at least 0.5 mm lead equivalent, particularly during fluoroscopy or mobile imaging.
• Thyroid Shields: Always wear a thyroid collar, as thyroid tissue is highly sensitive to radiation.
• Leaded Eyewear: Use leaded glasses to protect against cataract formation, which can be caused by radiation-induced lens opacity.
• Gloves: Wear lead-equivalent gloves if hands must be near the primary beam.

3. Procedural and Technical Practices

• Collimation: Collimate closely to the anatomical area of interest to reduce scatter radiation to yourself and the patient.
• Avoid Repeats: Optimize technical factors (kVp and mAs) and use clear communication to prevent patient movement, reducing the need for repeat exposures.
• Positioning: Stand at least 6 feet away from the patient, tube, and useful beam during portable exams.
• Image Intensifier Position: During C-arm procedures, place the image intensifier as close to the patient as possible to reduce scatter.
• Use Mechanical Devices: Utilize sandbags, sponges, or tape to hold patients instead of holding them yourself, according to CE4RT.
• Safe Handling: Keep hands out of the primary beam.

4. Monitoring and Compliance

• Dosimetry Badges: Consistently wear your personal dosimeter (film badge or OSL) to track radiation doses.
• Badge Placement: Wear the badge at the collar level outside the lead apron to monitor exposure to the thyroid and lens of the eye, as recommended by AST.org and Stanford EHS.
• Report Exposure: Review dose reports and report any unusual or high exposures to the Radiation Safety Officer (RSO).
• Annual Checks: Ensure lead aprons are inspected annually for cracks or leaks.

Would you like to know more about dose reduction techniques specifically for pediatric imaging , or are you interested in fetal dose limits for pregnant technologists?

Radiologic technologists play a key role in protecting both patients and healthcare workers from unnecessary radiation exposure. The foundation of radiation safety is the ALARA principle—keeping radiation exposure As Low As Reasonably Achievable while still obtaining diagnostic-quality images.

Here are the most important best practices:

1. Apply the three cardinal principles of radiation protection

• Minimize time spent near active radiation sources.
• Maximize distance from the source whenever possible.
• Use appropriate shielding, such as protective barriers and personal protective equipment, when indicated.

2. Follow ALARA for every examination

• Confirm that each examination is clinically justified.
• Use the lowest exposure settings that still produce diagnostic images.
• Avoid repeat examinations by ensuring proper positioning and technique the first time.

3. Optimize imaging technique

• Collimate the x-ray beam to the area of interest.
• Select appropriate exposure factors (kVp, mAs, automatic exposure control when appropriate).
• Use proper patient positioning and immobilization to reduce motion artifacts and repeat imaging.

4. Wear and use protective equipment correctly

Depending on the procedure and facility protocols:

• Lead aprons
• Thyroid shields
• Protective eyewear (especially during fluoroscopy or interventional procedures)
• Mobile or fixed protective barriers

Protective equipment should be inspected regularly for damage.

5. Use radiation monitoring devices

• Wear your assigned dosimeter correctly and consistently.
• Do not share dosimeters.
• Review dose reports regularly.
• Report unusually high readings to the radiation safety officer for evaluation.

6. Protect patients

• Verify the patient's identity and the correct examination.
• Screen for pregnancy when appropriate according to facility policy.
• Explain the procedure to improve cooperation and reduce movement.
• Use shielding only when consistent with current departmental and professional guidelines, as modern imaging systems and recommendations have evolved for some examinations.

7. Practice safe fluoroscopy habits

For fluoroscopic procedures:

• Keep fluoroscopy time as short as possible.
• Use pulsed fluoroscopy and last-image hold when available.
• Stand as far from the patient and x-ray tube as practical.
• Stay behind protective barriers whenever possible.

8. Maintain equipment quality

• Perform routine quality control checks.
• Report equipment malfunctions immediately.
• Ensure imaging equipment is properly calibrated and maintained to avoid unnecessary repeat exposures.

9. Stay educated

Radiation safety recommendations, technology, and regulations continue to evolve. Regular continuing education helps technologists:

• Learn updated dose-reduction techniques.
• Understand new equipment features.
• Maintain regulatory compliance and best practices.

10. Promote a culture of safety

• Communicate with radiologists, nurses, and other staff about radiation safety.
• Follow departmental protocols.
• Encourage reporting of safety concerns or near misses without hesitation.

Quick safety checklist

Before every examination, ask yourself:

• ✓ Is the exam justified?
• ✓ Have I verified the correct patient and procedure?
• ✓ Can I reduce the exposure while maintaining image quality?
• ✓ Is the beam properly collimated?
• ✓ Am I using appropriate shielding and distance?
• ✓ Am I wearing my dosimeter correctly?
• ✓ Can I avoid a repeat image through proper positioning?

Consistently following these practices helps minimize occupational exposure while ensuring patients receive high-quality diagnostic imaging safely.

The best radiation safety practices for a radiologic technologist center on the ALARA (As Low As Reasonably Achievable) principle, focusing on three core pillars: Time, Distance, and Shielding . These practices are designed to protect both the operator and the patient from unnecessary ionizing radiation exposure.

Here are the essential radiation safety practices:

1. Core Principles (Time, Distance, Shielding)

• Minimize Time: Reduce the duration of exposure. In fluoroscopy, this means using pulsed imaging rather than continuous, and utilizing "last image hold" to review anatomy.
• Maximize Distance: Distance is the most effective protection against scatter radiation. The intensity of radiation drops significantly the further away you are from the source (inverse square law).
• Use Shielding: Wear personal protective equipment (PPE) including a lead apron, thyroid shield, leaded glasses, and gloves. Always stand behind the structural lead shielding in the control booth.

2. Patient Safety and Protection

• Tight Collimation: Always collimate to the area of interest to minimize the volume of tissue irradiated and reduce scatter.
• Avoid Repeats: Proper patient positioning and clear instructions are key to obtaining high-quality images on the first attempt, preventing unnecessary re-exposure.
• Optimal Technique Selection: Use appropriate kVp and mAs settings to achieve the best image quality with the lowest dose.
• Avoid Manual Holding: Never hold a patient or image receptor during exposure. Use mechanical positioning aids, sponges, or sandbags.

3. Occupational Protection (Technologist)

• Wear Dosimeter Badges: Always wear your personal radiation monitoring badge (dosimeter) as required to track cumulative exposure over time.
• Positioning in Fluoroscopy: Stand on the side of the C-arm intensifier (not the tube side) to minimize scatter, and use lead drapes to block radiation.
• Keep Hands Out of Beam: Never allow your hands or any body part to be in the primary x-ray beam.
• Follow Facility Protocols: Adhere to all safety regulations set by the Radiation Safety Officer (RSO) and state/federal agencies (e.g., OSHA).

4. Safety and Maintenance

• Routine Equipment Checks: Regularly test and maintain X-ray, CT, and Fluoroscopy equipment to ensure it operates within safe parameters.
• Warn Others: Ensure all doors to the X-ray suite are closed during exposure and that "Caution: X-Ray" signs are visible.
• Ongoing Education: Stay updated with the latest in safety guidelines and new technology through continuous training.

Would you like to know more about the specific differences in safety protocols for portable imaging, fluoroscopy, or pediatric patients?

The best radiation safety practices for a radiologic technologist center on the ALARA (As Low As Reasonably Achievable) principle, utilizing the three cardinal rules: Time, Distance, and Shielding . These practices minimize exposure to both the technologist and the patient, reducing long-term health risks.

Essential Cardinal Rules (ALARA)

• Time: Minimize the duration of exposure. Use pulsed fluoroscopy instead of continuous, and work quickly in high-radiation areas.
• Distance: Maximize distance from the source. The intensity of scatter radiation drops significantly as you move away (inverse square law), so step back when possible.
• Shielding: Utilize barriers such as lead aprons, thyroid shields, leaded glasses, and structural shielding (booths) to block radiation.

Clinical Best Practices and Procedures

1. Collimation: Always collimate to the smallest field size appropriate for the examination to reduce scatter radiation to yourself and the patient.
2. Proper Use of PPE: Wear a lead apron (at least 0.5 mm Pb if >100 kVp) and thyroid shield.
3. Dosimeter Usage: Consistently wear a personal dosimeter at the collar level, outside the lead apron, to track exposure.
4. Avoid Holding Patients: Never manually hold a patient during exposure. Use mechanical restraints, sponges, or, if necessary, family members wearing protective gear.
5. Positioning: During mobile imaging, stand at least 6 feet away and at a 90-degree angle to the patient (the primary scatter source).
6. Fluoroscopy Safety: Keep the x-ray tube under the table, use last-image hold, and minimize high-dose modes.
7. Reduce Repeats: Ensure proper patient instruction and positioning to avoid unnecessary repeat examinations, which are a major source of avoidable dose.
8. Patient Shielding: Apply gonadal shielding on patients of childbearing age when it does not interfere with the exam.

Professional Responsibilities

• Continuous Training: Stay updated with the latest safety guidelines and participate in regular training.
• Equipment Maintenance: Ensure x-ray machines are calibrated and functioning properly to avoid excessive doses.
• Pregnant Technologists: If pregnant, declare it to ensure additional monitoring and protection, keeping fetal exposure under 0.5 mSv monthly.

Would you like to explore specific safety practices for a particular modality, such as fluoroscopy, CT , or mobile radiography?

Radiologic technologists can substantially reduce radiation exposure to themselves and their patients by consistently applying radiation protection principles while maintaining diagnostic image quality. The foundation of radiation safety is ALARA (As Low As Reasonably Achievable)—keeping radiation doses as low as practical while still obtaining clinically useful images.

Key best practices include:

• Apply the three cardinal principles of radiation protection:

  • Time: Minimize the time spent near an active radiation source.
  • Distance: Maximize your distance from the x-ray source and the patient during exposure whenever possible.
  • Shielding: Use protective barriers, lead aprons, thyroid shields, lead glasses (when appropriate), and mobile shields according to your facility's protocols.

• Optimize every examination.

  • Verify the patient's identity and the correct exam before exposing.
  • Use appropriate exposure factors (kVp, mAs, AEC when indicated).
  • Carefully position the patient to avoid repeat imaging.
  • Collimate the beam tightly to the area of interest to reduce unnecessary exposure and scatter radiation.

• Prevent repeat exposures.

  • Confirm patient positioning and immobilization before exposure.
  • Communicate clearly with patients about breath-holding or remaining still.
  • Review images for quality before dismissing the patient whenever workflow allows.

• Wear and use radiation monitoring devices correctly.

  • Wear your personal dosimeter (film badge, TLD, or OSL badge) consistently in the designated location.
  • If wearing a lead apron regularly (such as during fluoroscopy), follow your institution's policy regarding one or two dosimeters.
  • Review your dose reports and investigate unexpected increases with your radiation safety officer.

• Practice safe fluoroscopy habits.

  • Stand behind protective barriers whenever possible.
  • Use pulsed fluoroscopy and the lowest acceptable dose settings.
  • Keep hands out of the primary beam.
  • Stay as far from the patient as practical, since scatter radiation originates primarily from the patient.

• Use protective equipment appropriately.

  • Inspect lead aprons, thyroid collars, and shields for cracks or damage.
  • Store lead apparel properly to prevent deterioration.
  • Wear protective eyewear during procedures with significant scatter radiation, especially in interventional settings.

• Follow department radiation safety protocols.

  • Participate in required radiation safety training.
  • Report equipment malfunctions promptly.
  • Follow pregnancy policies for patients and staff according to institutional and regulatory guidelines.

• Protect patients through justification and optimization.

  • Confirm the exam is appropriate before imaging.
  • Use pediatric-specific techniques for children.
  • Avoid unnecessary repeat studies.
  • Adjust technical factors based on patient size rather than using a one-size-fits-all approach.

• Maintain equipment quality.

  • Perform routine quality control checks.
  • Ensure equipment receives scheduled preventive maintenance and calibration.
  • Verify proper function of collimators, exposure indicators, and automatic exposure control systems.

A simple way to remember radiation safety

Think "TDS + O":

• Time – minimize exposure time.
• Distance – maximize distance.
• Shielding – use appropriate protective barriers.
• Optimization – obtain the diagnostic image with the lowest reasonable dose (ALARA).

By combining careful technique, appropriate shielding, effective communication, and ongoing quality assurance, radiologic technologists can protect both patients and themselves while consistently producing high-quality diagnostic images.