The Determination and Significance of Low Blood Carboxyhaemoglobin Levels.
نویسندگان
چکیده
منابع مشابه
A colorimetric method for the determination of carboxyhaemoglobin over a wide range of concentrations.
A colorimetric technique for the determination of carboxyhaemoglobin in blood is described. Carbon monoxide released from blood in a standard Conway unit reacts with palladous chloride/arsenomolybdate solution to produce a blue colour. Using 0.5 to 2 ml. of blood, the method will estimate carboxyhaemoglobin accurately at levels from 0.1% to 100% of total haemoglobin and in the presence of other...
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A series of 300 cases of fatal carbon-monoxide poisoning showed wide variations in carboxyhaemoglobin saturation. Levels below 50% in 24 subjects under the age of 70 were probably falsely low following attempted resuscitation on the way to hospital. Artificial respiration, especially with oxygen-rich gas, causes dissociation of carboxyhaemoglobin in the lungs of the cadaver while movement of bl...
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pathologists have experience of unexpectedly low carboxyhaemoglobin saturation levels in fatal carbon-monoxide poisoning. The textbooks give 60% as the minimum lethal concentration for healthy subjects. Why then should apparently fit persons, below the age of 70, die with saturation levels below 50% ? A series of 300 included 24 such cases, with values from 40 to 490o (palladium chloride analys...
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متن کاملDetermination of the carboxyhaemoglobin saturation of blood by spectrophotometric analysis.
The spectrophotometric method of Commins and Lawther (I965) for the determination of carboxy-haemoglobin saturation in blood was found to lead to systematic undervaluation, because of dissociation of the carboxyhaemoglobin, and physical dissolution of the carbon monoxide in the solvent used for the analysis. The theoretical relationship between the true and apparent carboxyhaemoglobin saturatio...
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عنوان ژورنال:
- Medicine, science, and the law
دوره 4 شماره
صفحات -
تاریخ انتشار 1964