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Poisons --- Forensic toxicology. --- Analysis.

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Postmortem Toxicology addresses the various aspects of the practice of forensic postmortem toxicology from a viewpoint of elements which must be taken into consideration for proper interpretation of the toxicological result, not in a vacuum but in a more holistic and global sense. The volume examines pre-analytical factors, storage containers/conditions, prior medical interventions and therapy, along with information from the scene investigation and anatomical findings. This reference also provides explanation of the complicating conditions for the interpretation of the toxicological results due to postmortem decomposition, embalming artifacts and the postmortem redistribution of drugs. Tolerance is also discussed as an aid to interpreting results from a habitual/chronic user of medications and/or drugs of abuse. The book is geared towards the current practitioner; however, it is written to be used as a valuable reference for a graduate or post-graduate level courses in forensic toxicology or forensic pathology.

Forensic Toxicology --- methods.

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Forensic Toxicology --- methods.

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During the investigation of aviation accidents, postmortem specimens from accident victims are submitted to the Federal Aviation Administration's Civil Aerospace Medical Institute (CAMI) for toxicological analysis. As new medications are introduced to the market and are subsequently used by aviation accident victims, CAMI's forensic toxicology laboratory is tasked with developing analytical methods for the determination of these compounds. This report presents a rapid and reliable method for the identification and quantitation of vardenafil (Levitra®) in biological specimens. This procedure utilizes sildenafil-d8, which structurally is closely related to vardenafil, as an internal standard for more accurate and reliable quantitation. The method incorporates solid phase extraction and LC/MS/MS and MS/MS/MS utilizing an atmospheric pressure chemical ionization ion trap mass spectrometer in the positive chemical ionization mode. Solid-phase extraction proved to be exceptionally efficient providing recoveries that ranged from 94-97%. The limit of detection for vardenafil was determined to be 0.19 ng/mL. The linear dynamic range for this compound was 0.39-200 ng/mL. This method was successfully applied to postmortem fluid and tissue specimens obtained from an aviation accident victim. This novel analytical procedure proved to be simple, accurate, and robust for the identification and quantitation of vardenafil in postmortem specimens.

Forensic toxicology --- Impotence. --- Aircraft accidents --- Investigation

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Crime laboratories --- Forensic toxicology --- Body fluids --- Analysis