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Results for “RADIATION MONITORING”

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At least 1,315 records · Page 73Linked to original sources
PubMed1990

Nurses and ionizing radiation: a study of two institutions.

The results of this study revealed that the nurses studied were exposed to ionizing radiation at levels defined as safe. However, since the actual exposure level that increases health risks is unknown, it is recommended that critical care nurses take as many precautions as possible to minimize exposure that, over the long run, could have deleterious effects.

Hospitals, Urban↗
PubMed1989

Radiographic quality and radiation protection in general medical practice and small hospitals.

Radiation protection and image quality were assessed in a survey of 22 general medical practices and the 24 smallest hospitals with x-ray facilities. Limited radiography, usually of extremities for trauma, was being performed in these facilities since access to regular radiology services was restricted, mainly for geographic reasons. An anthropomorphic ankle phantom with simulated fractures was presented at each facility for radiography, and the resulting films assessed for radiographic technique and basic diagnostic usefulness. While the standard of radiographic techniques was lower than in regular x-ray departments, most films of the phantom ankle were still diagnostically useful and only 4 were rejected entirely. The principal deficiency in general practice x-ray was in darkrooms and x-ray film processing. Generally, the x-ray equipment was adequate for the range of procedures performed and complied with the National Radiation Laboratory Code of Safe Practice for the Use of X-rays in Diagnosis (Medical). Radiation doses to the ankle phantom ranged widely for effectively the same procedure although none was excessive. Improved x-ray film processing, and tighter x-ray beam collimation, would result in a narrower range of doses to patients. Personnel exposures to radiation were satisfactorily low and special shieldings are not required in general practice.

Adult↗
PubMed1989

[Aspects of roentgen ray burden in endourologic surgery].

In 1987 a total of 322 endourological procedures with punctual use of x-rays were performed at our ultrasonographic-radiological working table. The personal-dosimetric supervision of 4 surgeons who performed the interventions was analyzed in dependence of our local dosimetric realities. The radiation exposure of the surgeon and the possibilities of supervision and reduction of the exposition are presented.

Body Burden↗
PubMed1988

[Clinical radiation biology].

Clinical radiobiology covers three fields. 1. Radiation hazards and radiation protection: The fundamentals for evaluation of radiation hazards in man are reviewed. The biomedical effect of low doses is of chief importance in regard to use of radiation in radiodiagnosis and medicine, which account for most artificial radiation exposure in man. Interesting features are stochastic effects without a threshold dose, such as induction of cancer, mutation and developmental anomalies. 2. Optimization of radiotherapy: Apart from amelioration of temporal radiation distribution, possible modifiers are tested such as chemical substances (as sensitizers of tumor cells and protectors of healthy tissue) or hyperthermia. For selective irradiation of the tumor, various kinds of radiation are evaluated, e.g. pions, protons and heavy ions. 3. Public education and information.

Health Education↗