منابع مشابه
Serum potassium changes during induction of anaesthesia.
Serum potassium levels of 53 patients before and after induction with halothane and oxygen, halothane, nitrous oxide and oxygen, and thiopentone, showed a significant decrease after reaching the first surgical plane. After the administration of the depolarizing agent suxamethonium serum potassium levels increased significantly more in the two halothane groups than in the thiopentone group. It i...
متن کاملChanges in intermediate haemoglobins during autoxidation of haemoglobin.
The time course of haemoglobin autoxidation was studied under various conditions at 37 degrees C, and the changes in oxyhaemoglobin, intermediate haemoglobins and methaemoglobin during the reaction were analysed by isoelectric focusing on Ampholine/polyacrylamide-gel plates. Under various conditions (10 mM-phosphate buffer, 10 mM-phosphate buffer with 0.1 M-phosphate buffer, 10 mM-phosphate buf...
متن کاملVariability of haemoglobin concentration during anaesthesia. A statistical investigation of three anaesthetic methods.
Changes in haemoglobin concentration and systolic blood pressure were measured for fifty-six patients receiving three different methods of anaesthesia. One group received anaesthesia comprising a relaxant with nitrous oxide and oxygen and controlled respiration: no significant changes occurred. A second group received halothane inhaled spontaneously with oxygen: significant decreases in mean (i...
متن کاملChanges in ventilatory patterns during halothane anaesthesia in children.
Changes in ventilatory variables (VE, VE, f, Tl/Ttot, VT/Tl, PE'CO2) were studied in 12 unpremedicated children, weighing between 10 and 20 kg, during halothane anaesthesia. At an inspired concentration of 0.5% halothane, respiratory rate increased, VT decreased, and VE did not change markedly. When the inspired halothane concentration increased further, there was a significant decrease in VE, ...
متن کاملChanges in the electroencephalogram during anaesthesia and their physiological basis.
The use of EEG monitors to assess the level of hypnosis during anaesthesia has become widespread. Anaesthetists, however, do not usually observe the raw EEG data: they generally pay attention only to the Bispectral Index (BIS™) and other indices calculated by EEG monitors. This abstracted information only partially characterizes EEG features. To properly appreciate the availability and reliabil...
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ژورنال
عنوان ژورنال: British Journal of Anaesthesia
سال: 1997
ISSN: 0007-0912
DOI: 10.1093/bja/78.1.111