Yarlparu: on sorrow and grief.
Explore the source record for details and available documents.
Attitude to Death↗
Biomedical subjects
D Wake
Publications and source records attributed to D Wake.
Electret-based passive dust sampler: sampling of organic dusts.
Passive samplers are light, convenient and cheap. However, the sample size tends to be small and a correlation exercise between the results of a passive sampler and a conventional sampler must be carried out. The design principles and mode of action of an electret-based passive dust sampler are described. The device captures dust particles at a rate independent of the velocity of air except when this is very low but dependent on the electrical properties of the dust being sampled. Experimental results are presented of measurements made in bakeries, pig farms, a dairy farm, an arable farm and a rubber-manufacturing plant. Correlation between measurements made with the passive sampler and measurements of inhalable dust performed by other means are reasonable. The results are interpreted in terms of the physical properties of the dust being sampled.
Agriculture↗
Near drowning.
Irrespective of the immersion medium, the primary consequence of any near drowning episode is hypoxemia and resultant hypoxia. The gravest consequence of hypoxia is cerebral insult. A major contributor to cerebral recovery in cold water drowning is hypothermia and resultant cerebral hypometabolism. Though the causal mechanism of this phenomenon is the focus of debate, hypothermia at presentation remains a good prognostic indicator. Nursing and medical care should be directed towards reversal of hypoxemia and cerebral salvage with this factor in mind, rather than expectation of relatively rare sequelae. This article reviews the pathophysiology of near drowning and contemporary trends in its treatment.
Critical Care↗
Measurements of the efficiency of respirator filters and filtering facepieces against radon daughter aerosols.
The filtration efficiencies of respirator filters and filtering facepieces have been tested against radon daughters in a fluorspar mine. The test method involved the use of sampling filters exposed to natural radon daughters in air filtered by the test respirators. Respirators with a filtration efficiency high enough for them to be considered suitable for use against toxic dusts generally reduced radon daughter levels by 90% or more, though nuisance dust masks were ineffective. The measured penetration of radon daughters through the former types of filter correlated reasonably well with the penetration of 0.1 microns neutralized monodisperse aerosols, and with that of the BS 4400 sodium chloride aerosol, measured in the laboratory. To simulate exposure in working conditions mine air containing radon daughters was drawn through the test filters for 8 h, but their performance was not affected and they were not measurably radioactive as a result.
Aerosols↗
Accidental hypothermia: a guide to treatment in the field.
This paper is a review of the guidelines laid down by Dr D. Snadden, a former medical officer of the Cairngorm mountain rescue team, for first-line treatment of the hypothermic casualty.
Accidents↗