title: [Negative paraquaturia does not exclude paraquat fatal poisoning].
abstract: The authors present a case report of fatal paraquat poisoning demonstrating persistently negative urine paraquat test. A brief review is also made, concerning the importance of blood test for paraquat, the false negative results in urine test and the need for new effective therapeutic approaches that can change the tragic course of most of these poisoning cases.
authors.affiliation: Serviço de Medicina Interna, Hospitais da Universidade de Coimbra, Coimbra, Portugal.
authors.forename: Rita
authors.initials: R
authors.lastname: Monteiro
authors.forename: Lurdes
authors.initials: L
authors.lastname: Correia
authors.forename: Adélia
authors.initials: A
authors.lastname: Simão
authors.forename: Armando
authors.initials: A
authors.lastname: Carvalho
authors.forename: J Nascimento
authors.initials: JN
authors.lastname: Costa
mesh_terms: D005188:False Negative Reactions; D017809:Fatal Outcome; D005260:Female; D006540:Herbicides / Q000506:poisoning* / Q000652:urine*; D006801:Humans; D008875:Middle Aged; D010269:Paraquat / Q000506:poisoning* / Q000652:urine*
chemical_list: D006540:Herbicides; D010269:Paraquat