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Weigert's Hot Air Method in Phthisis.
—A recent discussion led by Nykamp, in which Rieth, Lazarus, Frankel and Rosenfeld took part (Allg, Wiener Med. Zeitung), seems to have effectually disposed of Weigert's method as a therapeutic procedure. It was claimed that, owing to the dryness and heat of the air, there was a marked increase in the congestion of the mucous membranes, the cough was aggravated, and this tended to excite haemorrhage; further, that the temperature of the air in the alveoli was not raised, owing to the free evaporation from the moist surfaces. This Nykamp claims to have experimentally shown by a thermometer placed deeply in the pharynx, that air inhaled at a temperature of 265° C., when it reached the pharynx had a temperature of but 55° C. It was found that a thermometer placed just beneath the vocal cords of a dog only registered 37.3° C., while
MEDICAL PROGRESS. JAMA. 1890;XV(3):101–104. doi:10.1001/jama.1890.02410290021002
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