Modern Methods of Anæsthesia from the Surgeon's Standpoint
نویسنده
چکیده
chloroform was the only ansesthetic available and was used for all purposes. It was supposed to be free from danger in a tropical climate on account of the rapidity of vaporization at high atmospheric temperatures, though whether this is so in the humid atmosphere of the monsoon months is open to doubt. Any advantages it may have possessed on this account were neutralized by the fact that the anaesthetic was usually administered by means of a Junker's inhaler with a vulcanite mask, so that it was practically a closed method, the percentage of chloroform in the inspired air being dependent on the vigour of the pumping and being quite unknown, probably tending to be on the high side. Everyone is familiar with the breathholding which is produced by the administration of too strong a vapour to the still semi-conscious patient, followed by struggling and deepening cyanosis, leading eventually to a few deep breaths which carry an unduly strong vapour into the lungs and may result in cessation of respiration, with dilated pupils, clammy dusky colour and a flickering, barely perceptible pulse. Another familiar picture is that of the sudden arrest of the heart's action from commencing the operation before the anaesthesia has reached the third stage, a phenomenon which Levy has demonstrated to be due to ventricular
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عنوان ژورنال:
دوره 68 شماره
صفحات -
تاریخ انتشار 2016