receiving a deformed imaging phantom corresponding to the individual; evaluating a plurality of previously completed simulations estimating radiation dose absorption; and upon determining, based on the evaluation, that two or more of the simulations match the received set of parameters and received imaging...
Exposure to large doses of radiation over a short period of time produces a group of symptoms known as the acute radiation syndrome. These symptoms include general malaise, nausea, and vomiting, followed by a period of remission of symptoms. Later, the patient develops more severe symptoms such...
Twitter Google Share on Facebook initial radiation Related to initial radiation:initial nuclear radiation The radiation, essentially neutrons and gamma rays, resulting from a nuclear burst and emitted from the fireball within one minute after burst. See also induced radiation; residual radiation. ...
The equation for equivalent dose is defined in Fig. 1. Ionising radiation that forms part of the electromagnetic spectrum (e.g. X-ray and gamma ray) ionise atoms through the photoelectric absorption and the Compton effect. Both these interactions will eject an electron from an atom; this elec...
Irradiation: All or part of the body has been exposed toionizing radiation, but there has been no transfer of radioactive material to the patient. Contamination: Radioactive materials are present on the surface of the body, in a wound, and/or have been ingested. ...
FILTERwhoseABSORPTIONcharacteristicasafunctionofRADIATIONENERGYshowsadiscontinuityintheusefulphotonenergyrange3.20EFFECTIVEIMAGERECEPTIONAREApartoftheIMAGERECEPTIONAREAthatisconfiguredtoreceiveanX-RAYPATTERNthatcanbeprocessedfordisplayorstorageNOTE1Inaccordancewiththisconvention,theIMAGERECEPTIONAREAofamulti-fieldX-rayimage...
Image courtesy: Youtube RIYADH: A medical team at King Saud University (KSU) has performed successful surgery on a patient with early-stage breast cancer using intraoperative electron radiation therapy (IOERT) technology for the first time in the Arab world. Saudi university team treats breast can...
In addition, after pathogenic Escherichia coli infection, the host cytoskeleton changes, and the absorption surface of the intestinal epithelial cells decreases, resulting in persistent diarrhea. Therefore, the researchers concluded that abnormal intestinal motility and massive colonization by Gram-negative ...
Although both radiography and CT both utilize ionizing radiation, they have substantially different information content due to differences in the image generation process. Radiography is a measure of differential absorption of the X-ray beam by the patient's anatomy, projected in 2D. In contrast CT...
Exposure of cells or biological tissues to high-power pulses of terahertz (THz) radiation leads to changes in a variety of intracellular processes. However, the role of heating effects due to strong absorption of THz radiation by water molecules still stays unclear. In this study, we performed ...