Usage experience in the otolaryngological field
... Department of Otorhinolaryngology at Shinshu University School of Medicine for the guidance they provided in the writing of this paper. ...
... Department of Otorhinolaryngology at Shinshu University School of Medicine for the guidance they provided in the writing of this paper. ...
USE OF CONE BEAM COMPUTED TOMOGRAPHY (CBCT) IN
... principle has long applied to radiological protection. In fact, the International Commission on Radiological Protection has developed a new concept intended to promote better control of patient exposure, and to reduce the doses to which they are exposed, collective doses and risks. In dentistry, t ...
... principle has long applied to radiological protection. In fact, the International Commission on Radiological Protection has developed a new concept intended to promote better control of patient exposure, and to reduce the doses to which they are exposed, collective doses and risks. In dentistry, t ...
Scholars Journal of Medical Case Reports A Third Cervical Vertebra
... several repeats, and often cannot exclude a fracture. Adequate views in the Radiology Department is necessary in order evaluate the patient with radiography. The patient's neck should remain immobilized until a full cervical spine series can be obtained, although initial films may be taken through t ...
... several repeats, and often cannot exclude a fracture. Adequate views in the Radiology Department is necessary in order evaluate the patient with radiography. The patient's neck should remain immobilized until a full cervical spine series can be obtained, although initial films may be taken through t ...
Dose Management Update for Advocate Healthcare
... on protocol management The [critical access] hospital establishes or adopts diagnostic computed tomography (CT) imaging protocols based on current standards of practice, which address key criteria including clinical indication, contrast administration, age (to indicate whether the patient is pediatr ...
... on protocol management The [critical access] hospital establishes or adopts diagnostic computed tomography (CT) imaging protocols based on current standards of practice, which address key criteria including clinical indication, contrast administration, age (to indicate whether the patient is pediatr ...
12 Physics and Clinical Aspects of Brachytherapy
... al. 1995). As is discussed later, sources used for permanent implants need to have low energy, short halflives, or a combination of both, so that the radiation exposure received by people that have either frequent or close contact with the patient is limited. Temporary brachytherapy implants are tho ...
... al. 1995). As is discussed later, sources used for permanent implants need to have low energy, short halflives, or a combination of both, so that the radiation exposure received by people that have either frequent or close contact with the patient is limited. Temporary brachytherapy implants are tho ...
Radiological protection for medical exposure to ionizing radiation
... to nuclear medicine techniques. The annual collective dose from all diagnostic exposures is about 2500 million man Sv, corresponding to a worldwide average of 0.4 mSv per person per year. There are, however, wide differences in radiological practices throughout the world, the average annual per capu ...
... to nuclear medicine techniques. The annual collective dose from all diagnostic exposures is about 2500 million man Sv, corresponding to a worldwide average of 0.4 mSv per person per year. There are, however, wide differences in radiological practices throughout the world, the average annual per capu ...
RADIOGRAPHIC GRIDS
... SOFT TSSUE STRUCTURES TO INCREASE CONTRAST STRUCTURES AFFECTED BY PATHOLOGICAL CONDITION THAT WOULD INCRESE SCATTER PRODUCTION ...
... SOFT TSSUE STRUCTURES TO INCREASE CONTRAST STRUCTURES AFFECTED BY PATHOLOGICAL CONDITION THAT WOULD INCRESE SCATTER PRODUCTION ...
Chapitre 4 (style : Chapitre)
... coherence of photons are currently observable, using microfocus sources or synchrotrons. This concept of spatial coherence reflects the fact that an interference phenomenon may only be observed behind two slits if they are separated by less than the coherence length. In such a situation, a photon in ...
... coherence of photons are currently observable, using microfocus sources or synchrotrons. This concept of spatial coherence reflects the fact that an interference phenomenon may only be observed behind two slits if they are separated by less than the coherence length. In such a situation, a photon in ...
example from X-ray Diagnostic Radiology
... QUALITY ASSURANCE IN DIAGNOSTIC RADIOLOGY (Regulations..) z ...
... QUALITY ASSURANCE IN DIAGNOSTIC RADIOLOGY (Regulations..) z ...
Effective dose range for dental cone beam computed tomography
... average human, most commonly an adult male [8]. There have been a number of studies measuring the effective dose on dental CBCT using thermoluminescent dosimeters (TLDs) in combination with a human phantom [9–19]. These studies provide some estimation of the range of doses that are obtained from the ...
... average human, most commonly an adult male [8]. There have been a number of studies measuring the effective dose on dental CBCT using thermoluminescent dosimeters (TLDs) in combination with a human phantom [9–19]. These studies provide some estimation of the range of doses that are obtained from the ...
MI 001 - Specific Criteria for Medical Imaging, Oct 2014
... a. Each MRI unit must have one or more supervising radiographers with overall responsibility for: i. Running the unit, ii. Supervising the staff, and iii. Setting standards within the unit, including assuring the examinations are supervised by suitably qualified radiologists and MRI technologists, a ...
... a. Each MRI unit must have one or more supervising radiographers with overall responsibility for: i. Running the unit, ii. Supervising the staff, and iii. Setting standards within the unit, including assuring the examinations are supervised by suitably qualified radiologists and MRI technologists, a ...
Fluoroscopy - Pediatric Emergency Medicine
... guidelines for how to display radiographs of different body parts, positions and projections. 3 Image analysis requires careful assessment of several factors including proper patient identification, correct positioning and appropriate anatomical marker indicating the body part, collimation to the an ...
... guidelines for how to display radiographs of different body parts, positions and projections. 3 Image analysis requires careful assessment of several factors including proper patient identification, correct positioning and appropriate anatomical marker indicating the body part, collimation to the an ...
BME 50500: Image and Signal Processing in Biomedicine
... absorb x-ray and emit visible light. Single high energy x-ray photon is converted into many visible photons at lower energy. Light is then captured by a photographic film and developed the same as in photography. Digital X-ray uses a CCD camera to capture X-ray directly to improve image quality by s ...
... absorb x-ray and emit visible light. Single high energy x-ray photon is converted into many visible photons at lower energy. Light is then captured by a photographic film and developed the same as in photography. Digital X-ray uses a CCD camera to capture X-ray directly to improve image quality by s ...
Lesson 55 – The Structure of the Universe - science
... The gastrointestinal tract, like other soft-tissue structures, does not show up very well on X-Rays. Barium salts are radio opaque, (they show clearly on a radiograph). If barium is swallowed before radiographs are taken, the barium within the oesophagus, stomach or duodenum shows the shape of the l ...
... The gastrointestinal tract, like other soft-tissue structures, does not show up very well on X-Rays. Barium salts are radio opaque, (they show clearly on a radiograph). If barium is swallowed before radiographs are taken, the barium within the oesophagus, stomach or duodenum shows the shape of the l ...
Clinical Aspects of General Nuclear Medicine
... In the simplest terms, reducing administered activity will lower the count rate. If the examination’s other acquisition parameters are unchanged, this may result in reduced visibility of the organ(s) of interest, increased image noise and limited detection of disease. If imaging times are increased ...
... In the simplest terms, reducing administered activity will lower the count rate. If the examination’s other acquisition parameters are unchanged, this may result in reduced visibility of the organ(s) of interest, increased image noise and limited detection of disease. If imaging times are increased ...
Evaluation of Diagnostic Reference Levels for CT scan in Isfahan
... © 2014 Global Journal of Medicine Researches and Studies. All rights reserved for Academic Journals Center. ...
... © 2014 Global Journal of Medicine Researches and Studies. All rights reserved for Academic Journals Center. ...
RESEARCH ARTICLE New Directions in X
... the desired resolution. Hence, while it is possible to create movies of insect physiology at few micron resolution, the dose required to form a single image at 0.1 micron resolution will kill even the most radiation resistant living organism. As discussed in detail elsewhere, the radiation damage ef ...
... the desired resolution. Hence, while it is possible to create movies of insect physiology at few micron resolution, the dose required to form a single image at 0.1 micron resolution will kill even the most radiation resistant living organism. As discussed in detail elsewhere, the radiation damage ef ...
Highly reduced mass loss rates and increased litter layer in
... Abstract The effects of radioactive contamination from Chernobyl on decomposition of plant material still remain unknown. We predicted that decomposition rate would be reduced in the most contaminated sites due to an absence or reduced densities of soil invertebrates. If microorganisms were the mai ...
... Abstract The effects of radioactive contamination from Chernobyl on decomposition of plant material still remain unknown. We predicted that decomposition rate would be reduced in the most contaminated sites due to an absence or reduced densities of soil invertebrates. If microorganisms were the mai ...
PO3 Supervisor – Magnetic Resonance Imaging
... Responsible for allocating and determining work priorities of the MRI team rostered to Level 6 to ensure operational standards and efficiencies are met having regard to the needs of the clients. Provide professional guidance to Medical Imaging Professionals by developing levels of discipline, awaren ...
... Responsible for allocating and determining work priorities of the MRI team rostered to Level 6 to ensure operational standards and efficiencies are met having regard to the needs of the clients. Provide professional guidance to Medical Imaging Professionals by developing levels of discipline, awaren ...
Garba_Idris_MASTERS
... local context is advised. These reference doses are a guide to the expected exposure dose from a procedure and are useful as an investigation tool to identify incidences where patient doses are unusually high. Methodology: The study was conducted in three radiology departments with CT centres in Nor ...
... local context is advised. These reference doses are a guide to the expected exposure dose from a procedure and are useful as an investigation tool to identify incidences where patient doses are unusually high. Methodology: The study was conducted in three radiology departments with CT centres in Nor ...
Surface radiation balance in Antarctica as measured with automatic
... The latter being small over a highly reflective surface (a = 0.8– 0.9), the relative error in SHWnet becomes in the order of 25%. Using SHW" as the basis for the calculation of SHWnet solves this problem. This is made possible by introducing the ‘‘accumulated albedo’’ aacc, which is defined as the r ...
... The latter being small over a highly reflective surface (a = 0.8– 0.9), the relative error in SHWnet becomes in the order of 25%. Using SHW" as the basis for the calculation of SHWnet solves this problem. This is made possible by introducing the ‘‘accumulated albedo’’ aacc, which is defined as the r ...
X-ray tube in CT scanner
... the invention is that the X-Ray source is swept electronically, not mechanically, and can thus be swept with far greater speed than with conventional CT machines based on mechanically spun X-Ray tubes. -Th e major medical application for this design technology was invented in the 1980s, namely for i ...
... the invention is that the X-Ray source is swept electronically, not mechanically, and can thus be swept with far greater speed than with conventional CT machines based on mechanically spun X-Ray tubes. -Th e major medical application for this design technology was invented in the 1980s, namely for i ...
Cone beam imaging: is this the ultimate imaging modality?
... helical progression to acquire multiple image slices. In contrast, cone beam (CB) units use a divergent cone/pyramidal-shaped beam, obtaining multiple planar projections in a single rotation. These cone-shaped beams are similar to those of X-ray units for two-dimensional (2D) radiography. MCT data a ...
... helical progression to acquire multiple image slices. In contrast, cone beam (CB) units use a divergent cone/pyramidal-shaped beam, obtaining multiple planar projections in a single rotation. These cone-shaped beams are similar to those of X-ray units for two-dimensional (2D) radiography. MCT data a ...
10. Organization of a Paediatric Radiology Department - RPOP
... 2. False - Parents and family members should comfort the child and they should be given clear instructions and personal protective devices. 3. False - There are different types of shielding devices for males and females gonads and they should be available in various sizes. 4. False - They should be ...
... 2. False - Parents and family members should comfort the child and they should be given clear instructions and personal protective devices. 3. False - There are different types of shielding devices for males and females gonads and they should be available in various sizes. 4. False - They should be ...
Certificate in Veterinary Diagnostic Imaging
... If a candidate fulfils the requirements for enrolling via the Approved Centre route, they will be allowed to prepare for, and sit the Certificate examinations in one year. Candidates will be permitted to submit a provisional case log containing a minimum of 150 cases (dated from 1 September) with th ...
... If a candidate fulfils the requirements for enrolling via the Approved Centre route, they will be allowed to prepare for, and sit the Certificate examinations in one year. Candidates will be permitted to submit a provisional case log containing a minimum of 150 cases (dated from 1 September) with th ...