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Results for “Sunstroke”

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At least 19 recordsLinked to original sources
PubMed1970

[Sunstroke].

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Nursing↗
PubMed1971

[Sunstroke].

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Adolescent↗
PubMed1991

Xanthopsia and van Gogh's yellow palette.

A survey of van Gogh's work from 1886 to 1890 indicated that paintings with a yellow dominance were numerous, episodic, and multi-regional. His underlying illness, by his own admission, affected his life and work; furthermore, episodes of malnutrition, substance abuse, environmental exposure, and drug experimentation (all evident from correspondence) exacerbated his condition. Accordingly, we reviewed plausible agents that might have modified the artist's colour perception. Xanthopsia due to overdosage of digitalis or santonin is well documented elsewhere, but evidence of useage of either drug by van Gogh cannot be substantiated. It is unlikely that ageing of the human lens was an influence because of the artist's youth. Sunstroke is too restrictive to fit the multiplicity of regions and motifs. Hallucinations induced by absinthe, the popular liqueur of the period, may explain particular canvases but not the majority of 'high yellow' paintings. Van Gogh's proclivity for exaggerated colours and his embrance of yellow in particular are clear from his letters and, in contradistinction to chemical or physical insults modifying perception, artistic preference is the best working hypothesis to explain the yellow dominance in his palette.

Adult↗
PubMedDate not supplied

A contribution to the physiology of the perilymph. Part IV: Effect of histamine on the cochlear microcirculation.

Summary--Because of the topography of the perilymphatic vascular network, the cochlear microcirculation is especially sensitive to the effect of vasoactive substances reaching the perilymphatic space. The cochlear microcirculation is mainly controlled humorally, via the activity of the metarterioles and changes in the flow properties of the blood. Intracochlear histamine reduces the cochlear circulation even more markedly than after intracarotid administration. No systematic effects of parenteral administration of vasoactive substances can be expected on the cochlear circulation. Reversible auditory disorders after stapedectomy may be explicable by the intracochlear release of histamine. The internal release of histamine after sunstroke and cold stress may play a part in sudden dusturbances of hearing.

Animals↗
PubMed1991

[Seasonal variations of lipids and arterial pressure].

BACKGROUND: The presence of a seasonal variation in serum lipids and blood pressure is often described in the literature. METHODS: With the aim of analyzing this seasonal influence blood pressure and lipid (total cholesterol and cholesterol corresponding to different lipoprotein, triglycerides and AI and B apolipoprotein families) values were studied over 12 months in 36 normotense healthy males (mean age 36 +/- 6 years), a third of whom presented diverse base lipid alterations. A variance analysis of the relative intraindividual values (to study monthly differences) was carried out and a Student's t test was performed for the absolute values and grouped into two periods (summer and winter) and according to two categories (normal and hyperlipemic). RESULTS: No significant modification was observed in any of the parameters studied with the exception of the intrapersonal variation coefficient of the triglycerides which was significantly higher in the hyperlipemic individuals. CONCLUSIONS: In the population studied no seasonal modification was observed in blood pressure or different lipid concentrations analyzed. The slight variation of temperature observed and the elevated sunstroke in Spain in addition to the youth of the population studied may explain the lack of seasonal variation.

Adult↗
PubMed1976

Acquired generalized anhidrosis.

A patient developed generalized anhidrosis, probably following sunstroke. Light microscopy showed an atrophic, deeply lobulated or elongated configuration of the eccrine sweat glands, most of them containing many vacuoles that possessed strong acid phosphatase activity. Electron microscopy revealed that the vacuoles were bound by a unit membrane and that the contents varied. Fusion of the vacuoles and accumulation of cellular debris in the lumen were also seen. It was concluded that the vacuoles showed areas of autolysis and were classified in the group of lysosomes. In addition, it is postulated that the anhidrosis resulted from a critical rise in body temperature with subsequent changes in the secretory cells.

Adolescent↗
PubMed1984

Dehydrational crises from severe diarrhoea or heatstroke and risk of cataract.

The first of a series of epidemiological studies in progress in India has shown a strong association between risk of cataract and remembered episodes of dehydrational crises from severe cholera-like diarrhoeal disease. The findings suggest that severe diarrhoea is a major risk factor in early development of cataract and might account for about 36% of cases in the study area.

Adult↗
PubMed1973

Marine training.

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Heat Exhaustion↗