The computed tomography dose index (CTDI) is a commonly used radiation exposure index in X-ray computed tomography (CT), first defined in 1981. The unit...

A computed tomography scan (CT scan), formerly called computed axial tomography scan (CAT scan), is a medical imaging technique used to obtain detailed...

Equivalent dose (symbol H) is a dose quantity representing the stochastic health effects of low levels of ionizing radiation on the human body which represents...

dose is a dose quantity which represents the specific energy (energy per unit mass) deposited by ionizing radiation in living matter. Absorbed dose is...

the charge. This is called the absorbed dose. The gray (Gy), with units J/kg, is the SI unit of absorbed dose, which represents the amount of radiation...

106 Gy·cm2 and 44 to 143 Gy·cm2 respectively. Effective dose Equivalent dose Computed tomography dose index Kim S, Toncheva G, Anderson-Evans C, Huh BK, Gray...

radiation, must also be considered when applying the ALARP principle. Computed tomography, better known as CT scans or CAT scans have made an enormous contribution...

picoamperes, depending on the chamber design, and is proportional to the radiation dose. The electric field has to be sufficiently strong to prevent the recombination...

specific quantity of deposited dose. More can be found on radiation dose and dose rate at absorbed dose and equivalent dose. Disintegrations per minute (dpm)...

Quantitative computed tomography (QCT) is a medical technique that measures bone mineral density (BMD) using a standard X-ray computed tomography (CT) scanner...

of the radiation dose received. Modern electronic personal dosimeters can give a continuous readout of cumulative dose and current dose rate, and can warn...

Effective dose is a dose quantity in the International Commission on Radiological Protection (ICRP) system of radiological protection. It is the tissue-weighted...

The committed dose in radiological protection is a measure of the stochastic health risk due to an intake of radioactive material into the human body....

is the measurement, calculation and assessment of the ionizing radiation dose absorbed by an object, usually the human body. This applies both internally...

measured by monitor chambers, which are ionization chambers that measure the dose delivered by a beam and are built into the treatment head of radiotherapy...

proportional detector. Scintillation materials are used for ambient gamma dose measurement, though a different construction is used to detect contamination...

PMID 9227222. (5,000 patient dose measurements from 375 hospitals) Brenner, David J.; Hall, Eric J. (2007). "Computed Tomography — an Increasing Source of...

For instance, one roentgen deposits 0.00877 grays (0.877 rads) of absorbed dose in dry air, or 0.0096 Gy (0.96 rad) in soft tissue. One roentgen of X-rays...

between alpha and beta particles, or accurate measurement of X-ray radiation dose. A proportional counter uses a combination of the mechanisms of a Geiger–Müller...

The gray (symbol: Gy) is the unit of ionizing radiation dose in the International System of Units (SI), defined as the absorption of one joule of radiation...

display of radiation dose rate, displayed in units such as the sievert, which is normally used for measuring gamma or X-ray dose rates. A Geiger–Müller...

The Annual Limit on Intake (i.e., the amount that would give a person a dose equal to the worker limit that is 20 mSv) is about 2,000,000 Bq. The amount...

including reference biokinetic and dosimetric models and reference data and dose coefficients, for use in the protection of people and the environment. Committee...

organ doses to the thyroid and eye lens by up to 50% without significantly compromising diagnostic image quality. The Computed Tomography Dose Index (CTDI)...

exposure. High doses can cause visually dramatic radiation burns, and/or rapid fatality through acute radiation syndrome. Controlled doses are used for...

Pattison J (2000). "Monte Carlo calculated effective dose to teenage girls from computed tomography examinations". Radiation Protection Dosimetry. 90 (4):...

In mammography, mean glandular dose (MGD) is a quantity used to describe the absorbed dose of radiation to the breast. It is based on a measurement of...

hump – bugchasing and giftgiving – Burkitt's lymphoma C-T scan (computed tomography scan) – cachexia – Canadian Foundation for AIDS Research – candida...

Internal dosimetry is the science of internal ionising radiation dose assessment due to radionuclides incorporated inside the human body. Radionuclides...

– computed tomographic colonography – computed tomography – computed tomography colography – computerized axial tomography – computerized tomography –...