Diagnosis of acute poisoning is based on history, symptoms, biomedical investigations, toxicological analyses, and sometimes therapeutic tests ( Jaege.L§Lal 1991).
Toxicological analytical methods are now widely available, but extensive and specific quantitative analyses are expensive. Therefore the indications should be carefully considered by the physician according to the following objectives: assessment of diagnosis, evaluation of severity and prognosis, indication and evaluation of treatments, and medicolegal implications. The interpretation needs to take several factors into account depending on the poison and the patient.
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