Continuous physiological monitoring: an integrated system for use in neonatal intensive care.

abstract：:Post installation acceptance testing is vital to demonstrate that the equipment meets the vendor's specification and is suitable for clinical studies. The test procedures described in the NEMA NU 2-2001 document form the basis of vendor performance specifications of PET scanners and hence are also appropriate for acce...

journal_title：Australasian physical & engineering sciences in medicine

authors： Sathiakumar C,Som S,Eberl S,Lin P

更新日期：2010-06-01 00:00:00

abstract：:The purpose of this study was to measure skin dose using radiochromic film for two step-and-shoot IMRT fields and compare the results to the skin dose for a conventional open field. All exposures were made using a 6 MV photon beam produced by a Varian 21EX linear accelerator (Varian Medical Systems, CA, USA) equipped ...

journal_title：Australasian physical & engineering sciences in medicine

authors： Price S,Williams M,Butson M,Metcalfe P

更新日期：2006-09-01 00:00:00

abstract：:Electroencephalographic (EEG) signal records the neuronal activity in the brain and it is used in the diagnosis of epileptic seizure activities. Human inspection of non-stationary EEG signal for diagnosing epilepsy is cumbersome, time-consuming and inaccurate. In this paper an effective automatic approach to detect ep...

journal_title：Australasian physical & engineering sciences in medicine

authors： Sairamya NJ,Thomas George S,Balakrishnan R,Subathra MSP

更新日期：2018-12-01 00:00:00

abstract：:Orthovoltage x-ray beams exhibit the characteristic of depth dose buildup which is not well described in the literature. The principal reason for this phenomenon is the increase in dose deposited due to electrons set in motion by secondary (Compton) scattered photons within the phantom, as depth is increased until lon...

journal_title：Australasian physical & engineering sciences in medicine

authors： Hill RF,Keall PJ,Beckham WA,Perez MD

更新日期：1998-06-01 00:00:00

abstract：:X-ray imaging of the chest is challenging because of the large differences in x-ray attenuation between the mediastinal and lung regions of the chest. This large dynamic range of chest exit exposure, along with associated large changes in the scatter component of the beam, makes film based chest imaging difficult to o...

journal_title：Australasian physical & engineering sciences in medicine

authors： McLean D

更新日期：1993-12-01 00:00:00

abstract：:Bio-signal based assessment for upper-limb functions is an attractive technology for rehabilitation. In this work, an upper-limb function evaluator is developed based on biological signals, which could be used for selecting different robotic training protocols. Interaction force (IF) and participation level (PL, proce...

journal_title：Australasian physical & engineering sciences in medicine

authors： Sheng B,Tang L,Moosman OM,Deng C,Xie S,Zhang Y

更新日期：2019-09-01 00:00:00

abstract：:In general, a weighting factor of one is applied for low linear energy transfer radiations. However, several studies indicate that relative biological effectiveness (RBE) of low energy photons and electrons is greater than one. The aim of this current study was calculating the RBE of I-131 radiation relative to Co-60 ...

journal_title：Australasian physical & engineering sciences in medicine

authors： Ezzati AO,Mahmoud-Pashazadeh A,Studenski MT

更新日期：2017-06-01 00:00:00

abstract：:Fibromyalgia syndrome (FMS) is a chronic muscle and skeletal system disease observed generally in women, manifesting itself with a widespread pain and impairing the individual's quality of life. FMS diagnosis is made based on the American College of Rheumatology (ACR) criteria. However, recently the employability and ...

journal_title：Australasian physical & engineering sciences in medicine

authors： Arslan E,Yildiz S,Albayrak Y,Koklukaya E

更新日期：2016-06-01 00:00:00

abstract：:It has long been recognized that the assessment of Automatic Exposure Control (AEC) function is an important criterion in the assessment of any general radiographic x-ray installation. Of the tests commonly performed on an AEC, only Beam Quality Dependence relates intimately with the optical density produced on the re...

journal_title：Australasian physical & engineering sciences in medicine

authors： Wilkinson LE,Heggie JC

更新日期：1997-09-01 00:00:00

abstract：:Three different air channels were constructed in solid water. These resemble upper respiratory and larynx geometry. Central-axis depth-dose distributions were measured on and beyond the distal surface of the air cavities. The measurements were made with a parallel-plate Markus ionisation chamber and TLDs for 6 and 25 ...

journal_title：Australasian physical & engineering sciences in medicine

authors： Wong TP,Kan WK,Law M

更新日期：1996-12-01 00:00:00

abstract：:Diamond detectors are particularly well suited for dosimetry applications in radiotherapy for reasons including near-tissue equivalence and high-spatial resolution resulting from small sensitive volumes. However, these detectors have not become commonplace due to high cost and poor availability arising from the need f...

journal_title：Australasian physical & engineering sciences in medicine

authors： Lansley SP,Betzel GT,Metcalfe P,Reinisch L,Meyer J

更新日期：2010-12-01 00:00:00

abstract：:Arrhythmia is slow, fast or irregular heartbeat. Manual ECG assessment and disease classification is an error-prone task because of vast differences in ECG morphology and difficulty in accurate identifying ECG components. Moreover, proposing a computer-aided diagnosis system for heartbeat classification can be useful ...

journal_title：Australasian physical & engineering sciences in medicine

authors： Khatibi T,Rabinezhadsadatmahaleh N

更新日期：2019-11-26 00:00:00

abstract：:A electrocardiogram (ECG) central station has been developed for the Intensive Care Unit at Christchurch Hospital. The system allows the selection and display of four ECGs selected from seven bedside monitors in the Unit. It also provides for automatic display, hard copy and audio alarm of ECG from any monitor which h...

journal_title：Australasian physical & engineering sciences in medicine

authors： Jans R,Elder AG,Jones RD,Fright WR,Bones PJ

更新日期：1990-03-01 00:00:00

abstract：:This paper analyses daily ozone, cloud cover, solar radiation and broadband UV-B data for winter/spring at a low pollution Southern Hemispheric sub-tropical site (27.80 degrees S). The average ozone concentration for the period was 290 DU. An anti-correlation is presented between the ozone and UV-B data over a 5 day p...

journal_title：Australasian physical & engineering sciences in medicine

authors： Sabburg J,Parisi A,Wong J

更新日期：1997-12-01 00:00:00

abstract：:The quality of phantom materials is crucial for accurate dosimetry in radiotherapy. A wide range of factors such as density, electron density and elemental composition can influence the radiation properties, and hence the absorbed dose, of materials. New materials can be tested by direct measurements which requires co...

journal_title：Australasian physical & engineering sciences in medicine

authors： Keall P,Kron T,Hoban P

更新日期：1993-09-01 00:00:00

abstract：:Shear wave elasticity imaging (SWEI) has been used to measure the local tissue elasticity. The local tissue shear modulus can be reconstructed from the displacement field of shear waves using an algebraic Helmholtz inversion (AHI) equation or a time-of-flight (TOF)-based algorithm. The shear waves, which are generated...

journal_title：Australasian physical & engineering sciences in medicine

authors： Park DW,Cho HC

更新日期：2019-09-01 00:00:00

abstract：:The aim of this study was to determine whether there is an effect of mobile phone electromagnetic field emissions on the human electroencephalograph (EEG). EEG recordings from ten awake subjects were taken during exposure to radiofrequency (RF) emissions from a mobile phone positioned behind the head. Two experimental...

journal_title：Australasian physical & engineering sciences in medicine

authors： D'Costa H,Trueman G,Tang L,Abdel-rahman U,Abdel-rahman W,Ong K,Cosic I

更新日期：2003-12-01 00:00:00

abstract：:Accelerator neutron sources for epithermal neutron capture therapy utilising the 7Li(p,n) nuclear reaction are proposed to operate in the range of 1.88 to 2.5 MeV proton energy. Operation with proton energies closer to the reaction threshold decreases neutron yield but allows for smaller reflector and moderator, with ...

journal_title：Australasian physical & engineering sciences in medicine

authors： Zimin S,Allen BJ

更新日期：1998-12-01 00:00:00

abstract：:Wavelet theory is emerging as one of the prevalent tool in signal and image processing applications. However, the most suitable mother wavelet for these applications is still a relative question mark amongst researchers. Selection of best mother wavelet through parameterization leads to better findings for the analysi...

journal_title：Australasian physical & engineering sciences in medicine

authors： Saraswathy J,Hariharan M,Nadarajaw T,Khairunizam W,Yaacob S

更新日期：2014-06-01 00:00:00

abstract：:The knowledge of radiation dose at all points of interest within a patient's body is essential for the evaluation of treatment plans and for the judicious selection of the best one from among a set of competing plans. This paper discusses the physical and geometric aspects of radiation dose distribution calculations n...

journal_title：Australasian physical & engineering sciences in medicine

authors： Mohan R

更新日期：1989-12-01 00:00:00

abstract：:AFOMP recognizes that clinical medical physicists should demonstrate that they are competent to practice their profession by obtaining appropriate education, training and supervised experience in the specialties of medical physics in which they practice, as well as having a basic knowledge of other specialties. To hel...

journal_title：Australasian physical & engineering sciences in medicine

authors： Round WH,Ng KH,Healy B,Rodriguez L,Thayalan K,Tang F,Fukuda S,Srivastava R,Krisanachinda A,Shiau AC,Deng X,Han Y

更新日期：2011-09-01 00:00:00

abstract：:A set of computer programs to simulate diagnostic x-ray spectra has been developed according to the method of Birch and Marshall, with good agreement to published HPA data. These programs have been extended to simulate spectra generated with capacitor discharge x-ray units. The application of these programs has proved...

journal_title：Australasian physical & engineering sciences in medicine

authors： McLean D

更新日期：1989-09-01 00:00:00

abstract：:The accuracy of a computed tomography (CT)-relative electron density (RED) curve may have an indirect impact on the accuracy of dose calculation by a treatment planning system (TPS). This effect has not been previously quantified for input of different CT-RED curves from different CT-scan units in the Monaco TPS. This...

journal_title：Australasian physical & engineering sciences in medicine

authors： Hasani M,Farhood B,Ghorbani M,Naderi H,Saadatmand S,Karimkhani Zandi S,Knaup C

更新日期：2019-06-01 00:00:00

abstract：:Numerical simulation is performed to demonstrate that hemodynamic factors are significant determinants for the development of a vascular pathology. Experimental measurements by particle image velocimetry are carried out to validate the credibility of the computational approach. We present a study for determining compl...

journal_title：Australasian physical & engineering sciences in medicine

authors： Cheung SC,Wong KK,Yeoh GH,Yang W,Tu J,Beare R,Phan T

更新日期：2010-12-01 00:00:00

abstract：:Cricket bowling generates forces with torques on the upper limb muscles and makes the biceps brachii (BB) muscle vulnerable to overuse injury. The aim of this study was to investigate whether there are differences in the amplitude of the EMG signal of the BB muscle during fast and spin delivery, during the seven phase...

journal_title：Australasian physical & engineering sciences in medicine

authors： Ahamed NU,Sundaraj K,Ahmad B,Rahman M,Ali MA,Islam MA

更新日期：2014-03-01 00:00:00

abstract：:From the time when Roentgen and other physicists made the discoveries which led to the development of radiology, radiotherapy and nuclear medicine, medical physicists have played a pivotal role in the development of new technologies that have revolutionized the way medicine is practiced today. Medical physicists have ...

journal_title：Australasian physical & engineering sciences in medicine

authors： Ng KH

更新日期：2008-06-01 00:00:00

abstract：:Aneurysm clips within stereotactic treatment volumes enhance spatial accuracy but perturb the dose distribution. The dose perturbations caused by a standard titanium alloy aneurysm clip (Ti6Al4V) have been measured with Gafchromic EBT film. The maximum dose perturbation was an increase of 6 % within 0.5 mm of the beam...

journal_title：Australasian physical & engineering sciences in medicine

authors： He CF,Geso M,Ackerly T,Wong CJ

更新日期：2008-03-01 00:00:00

abstract：:Ischaemic stroke is a major public health issue in both developed and developing nations. Hypothermia is believed to be neuroprotective in cerebral ischaemia. Conversely, elevated brain temperature is associated with poor outcome after ischaemic stroke. Mechanisms of heat exchange in normally-perfused brain are relati...

journal_title：Australasian physical & engineering sciences in medicine

authors： Lillicrap T,Tahtalı M,Neely A,Wang X,Bivard A,Lueck C

更新日期：2017-12-01 00:00:00

abstract：:A simple and rapid technique to measure the proton beam energy in the external beam line of a medical cyclotron has been examined. A stack of 0.1 mm thick high purity copper (Cu) foils was bombarded and the relative activity of 65Zn produced in each foil was compared to a computational model that predicted activity, b...

journal_title：Australasian physical & engineering sciences in medicine

authors： Burrage JW,Asad AH,Fox RA,Price RI,Campbell AM,Siddiqui S

更新日期：2009-06-01 00:00:00

abstract：:The risk of inducing contralateral breast (CLB) cancer in patients undergoing tangential field irradiation for the treatment of breast cancer is a serious concern in radiation oncology. A bilateral breast phantom made of wax attached onto the Alderson Rando phantom was used for studying the CLB dose for techniques usi...

journal_title：Australasian physical & engineering sciences in medicine

authors： Prabhakar R,Haresh KP,Julka PK,Ganesh T,Rath GK,Joshi RC,Sasindran M,Naik KK,Sridhar PS

更新日期：2007-03-01 00:00:00