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Serum digoxin assays: investigation of use and abuse
J G O'Donnell1, N C Paterson, D R Pledger
1Department of Pathological Biochemistry, Royal Infirmary, Glasgow, UK.
Annals of Clinical Biochemistry
|July 1, 1987
Abstract:
Digoxin requesting patterns were studied prospectively over a 6-month period. Clinicians were not forewarned that the study was being undertaken. Many samples received in the laboratory were taken at incorrect times after the drug had been given. This led to inappropriate action being taken in some cases. Appropriate action was taken on most patients who had toxic serum digoxin levels together with clinical signs. The role of subtherapeutic digoxin levels seems unclear as these elicit a wide variety of responses.