Anaesthesia
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The Bromsgrove Conversion has been developed for use on the Cape Bristol series of automatic lung ventilators; it enables the patient to take a spontaneous breath between mandatory mechanical breaths. The conversion will also permit entirely spontaneous breathing and continuously positive airways pressure.
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Three out of six patients who had received 1 mg of morphine and 0.22 ml plain bupivacaine 0.5%/segment as a subarachnoid spinal anaesthetic developed serious and delayed respiratory depression on several occasions. This was reversed by intravenous naloxone. It is postulated that the morphine had diffused to the level of the cisterna magnum and thence through brain tissue around the fourth ventricle. Naloxone did not reverse the analgesia.
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Fifty-six anaesthetists participated in a trial of the use of microcomputers for self-assessment. Ninety-three per cent of the anaesthetists found the concept of computer-assisted self-assessment acceptable. The only significant difference in the scores achieved by different groups was found with a specialised intensive care program in which senior registrars had a higher average score than older consultants.
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Historical Article
Anaesthesia in Hong Kong. Its history and present position.
The history of the development of the specialty of anaesthesia in Hong Kong, its present position and future prospects are discussed. Special reference is made to the activities of the Society of Anaesthetists in Hong Kong which has promoted the cause of anaesthesia and maintained extensive international links during the last 25 years.