Reactive chemicals

Carson, Phillip; Mumford, Cedric

doi:10.1016/b978-0-08-052379-8.50009-3

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“…H 2 S is above all a respiratory tract toxin, since absorption through skin is negligible. It inhibits reversibly the cytochrome oxidase at the end of the respiratory chain, in aerobic cell mitochondria (29–31). This may explain its toxicity.…”

Section: Discussionmentioning

confidence: 99%

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Hydrogen Sulphide Headache and Other Rare, Global Headaches

Sjaastad

2006

Cephalalgia

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One aim of the Vågå study of headache epidemiology was to depict the total panorama of headaches in a small-sized, Norwegian community at the end of the 20th century. In the present part of the study, a search was made for the rare, global headaches. Various, relatively unknown headache categories were observed, such as hydrogen sulphide intoxication (n = 2) after exposure to H(2)S ambient air concentrations of >or=100 p.p.m. In Vågå, nitroglycerine headache ('dynamite headache') proved to be a relatively frequent disorder (n = 13). This represents approximately 0.7% of the study group. A main reason for this, in all probability unusually high frequency is that there previously have been soapstone mines within the precincts of the parish. Another relatively frequently occurring headache followed exposure to wind (n = 7; 0.38%). Ice-cream headache was rare (n = 3; 0.16%), when only the general question was asked: 'other headaches?'. Approximately 7 years later, an ad hoc procedure was adopted: 50 parishioners who did not answer positively concerning ice-cream headache on the first examination were asked specific questions concerning ice-cream headache. Four had had such an experience, i.e. prevalence of 8%, which is 50 times higher than the original result, but still a rather low prevalence when compared with the mean prevalence from other studies: 39%. This demonstrates that the result as regards prevalence, even for a headache such as ice-cream headache, to a large degree depends upon the interview technique used.

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Section: Discussionmentioning

confidence: 99%

“…Headache is mentioned as a symptom of H 2 S intoxication (29–31, 33), together with weakness, lethargy, nausea, dizziness, but possibly mostly from 300 to 500 p.p.m. in acute situations.…”

Section: Discussionmentioning

confidence: 99%

Hydrogen Sulphide Headache and Other Rare, Global Headaches

Sjaastad

2006

Cephalalgia

View full text Add to dashboard Cite

show abstract

Reactive chemicals

Cited by 1 publication

References 0 publications

Hydrogen Sulphide Headache and Other Rare, Global Headaches

Hydrogen Sulphide Headache and Other Rare, Global Headaches

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