Search
205 results for “dosimeter”.
Results
FAQ
Can a chest dosimeter stand in for an eye lens dosimeter?
…not everywhere. In a 2026 study of 41 physicians wearing dosimeters near the eye and on the chest above the apron, chest-based estimates tracked lens dose in cardiac catheterization and…
orsif.org/faqs
FAQ
What is a fetal dosimeter and when is it required?
A fetal dosimeter is a second dosimeter worn at waist level under the lead apron by declared pregnant workers. It provides an estimate of fetal radiation dose. Required after pregnancy declaration to…
orsif.org/faqs
FAQ
What types of radiation dosimeters are used in medicine?
Common dosimeters include: Optically Stimulated Luminescence (OSL) dosimeters (most common today), Thermoluminescent Dosimeters (TLD), and electronic personal dosimeters (EPD) for real-time reading.…
orsif.org/faqs
FAQ
Who is required to wear a radiation dosimeter?
…body, 15 mSv eye). All cath lab personnel should wear dosimeters, though compliance is often poor with 50% not wearing them correctly.
orsif.org/faqs
FAQ
What percentage of physicians wear dosimeters correctly?
…50% of physicians do not wear or incorrectly wear dosimeters. This creates a significant monitoring gap, meaning true occupational exposures may be significantly underestimated. Reasons include…
orsif.org/faqs
FAQ
What is the proper way to wear a dosimeter with protective equipment?
When wearing a lead apron, one dosimeter should be worn at collar level outside the apron to estimate eye and thyroid dose. A second dosimeter under the apron at waist level provides body dose. The…
orsif.org/faqs
FAQ
Does a high dosimeter reading always mean a high dose?
…millisieverts (mSv). Most were false readings caused by dosimeters being placed improperly or worn irregularly. Only 46 were confirmed as actual occupational exposure, and all of those were under 3…
orsif.org/faqs
Research summary
Relative response of dosimeters to variations in scattered X-ray energy spectra encountered in interventional radiology
…radiation in interventional radiology, thermoluminescent dosimeters (TLDs) and electronic dosimeters read within 10% across energies. Real-time diode detectors over-read by 10 to 25%, and dedicated…
orsif.org/research/relative-response-of-dosimeters-to-variations-in-scattered-x-ray-energy-spectra
Research summary
Estimating effective dose using non-lead protective aprons and a single dosimeter method
…an equation to estimate effective dose from a single dosimeter worn over non-lead aprons. It slightly overestimated dose at most, and a thyroid collar lowered estimated dose by 17%-30%.
orsif.org/research/estimating-effective-dose-using-non-lead-protective-aprons-and-a-single
Research summary
Evaluation of a New Real-Time Dosimeter Sensor for Interventional Radiology Staff
…tests in Japan, the newer RaySafe i3 real-time staff dosimeter performed as well as or better than the older i2, with better angle response and no backscatter artifact. This is a device-performance…
orsif.org/research/evaluation-of-a-new-real-time-dosimeter-sensor-for-interventional-radiology
Research summary
Operator Radiation and the Efficacy of Ceiling-Suspended Lead Screen Shielding during Coronary Angiography: An Anthropomorphic Phantom Study Using Real-Time Dosimeters
In a phantom study of coronary angiography, a ceiling-suspended lead screen positioned close to the primary operator, used with table-side shielding, cut measured dose rates by about 94% for the…
orsif.org/research/operator-radiation-and-the-efficacy-of-ceiling-suspended-lead-screen-shielding
Research summary
100 years of Personal Badge Radiation Doses in a Cohort of U.S. Radiologic Technologists: Expanded and Updated Reconstruction, 1916-2020
In a reconstruction of badge doses for 110,374 US radiologic technologists from 1916 to 2020, mean cumulative dose was 79 mSv. Technologists assisting more often with fluoroscopically guided…
orsif.org/research/100-years-of-personal-badge-radiation-doses-in-a-cohort-of-u-s-radiologic
State Rules Map
State-by-State Radiation Safety Rules for Fluoroscopy Teams
What all 50 states and DC require of fluoroscopy teams: ALARA, dose limits, dosimeters, aprons and training, with sources. Researched Nov 3, 2026.
orsif.org/guidelines/us/states.html
State rules
Wisconsin Radiation Safety Rules for Fluoroscopy Teams
What Wisconsin requires of fluoroscopy teams: ALARA, dose limits, dosimeters, aprons and training, with citations. Researched Nov 3, 2026.
orsif.org/guidelines/us/states/wisconsin
State rules
Arizona Radiation Safety Rules for Fluoroscopy Teams
What Arizona requires of fluoroscopy teams: ALARA, dose limits, dosimeters, aprons and training, with citations. Researched Nov 3, 2026.
orsif.org/guidelines/us/states/arizona
State rules
Washington Radiation Safety Rules for Fluoroscopy Teams
What Washington requires of fluoroscopy teams: ALARA, dose limits, dosimeters, aprons and training, with citations. Researched Nov 3, 2026.
orsif.org/guidelines/us/states/washington
State rules
Nevada Radiation Safety Rules for Fluoroscopy Teams
What Nevada requires of fluoroscopy teams: ALARA, dose limits, dosimeters, aprons and training, with citations. Researched Nov 3, 2026.
orsif.org/guidelines/us/states/nevada
FAQs
Radiation Safety FAQs for Healthcare Workers
…work-related musculoskeletal injuries. SCAI 2023. 50%. Dosimeter Non-Compliance. Physicians who don't wear or incorrectly wear radiation dosimeters
orsif.org/faqs
State rules
Michigan Radiation Safety Rules for Fluoroscopy Teams
What Michigan requires of fluoroscopy teams: ALARA, dose limits, dosimeters, aprons and training, with citations. Researched Nov 3, 2026.
orsif.org/guidelines/us/states/michigan
State rules
Idaho Radiation Safety Rules for Fluoroscopy Teams
What Idaho requires of fluoroscopy teams: ALARA, dose limits, dosimeters, aprons and training, with citations. Researched Nov 3, 2026.
orsif.org/guidelines/us/states/idaho
6 studies in the members' research library match. Join free to search them