PubMed · 8071262
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D A Landy. 1994. Article questioned.. https://pubmed.ncbi.nlm.nih.gov/8071262/
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Terminal restlessness is a variant of delirium observed in some patients in their last days of life. Readily reversible causes of restlessness should be identified and treated. Benzodiazepines give effective palliation of this condition, and, unlike haloperidol and the phenothiazines, do not exacerbate the existing tendency to myoclonus and convulsions.
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A high-performance liquid chromatographic method for the simultaneous determination of flunitrazepam and four metabolites, desmethylflunitrazepam (DMF), 7-aminodesmethylflunitrazepam (7-NH2DMF), 7-aminoflunitrazepam (7-NH2F) and 3-hydroxyflunitrazepam (3-OHF), in serum is described. The method involves a simple extraction from alkalinized plasma (pH 9.5) into diethyl ether-chloroform (80:20, v/v). Prazepam was used as an internal standard for the quantification of the five compounds. Separation was achieved with a 10 microns RSil CN column (300 x 3.9 mn I.D.). The detection wavelength was set at 242 nm. The limits of detection ranged from 2.5 to 5 micrograms/l with a limit of quantification of 10 micrograms/l for all analytes.