Coronial
TASother

Coroner's Finding: Cooper, Joanne Dulcie

Deceased

Joanne Dulcie Cooper

Demographics

41y, female

Date of death

2020-07-22

Finding date

2022-03-10

Cause of death

Brain, chest, abdominal and pelvic injuries sustained in a motor vehicle collision

AI-generated summary

A 41-year-old woman died from catastrophic injuries sustained in a motor vehicle collision when her vehicle crossed into the opposite lane and struck a truck. Family members noted she appeared drowsy before driving. Toxicological analysis revealed amitriptyline (prescribed for depression) and diazepam (not prescribed) in her system. The coroner determined she likely fell asleep at the wheel, with non-prescription diazepam contributing to the drowsiness. This case highlights the serious risk of driving while under the influence of sedating medications and the dangers of unprescribed benzodiazepines. Clinicians should counsel patients on medication side effects affecting driving ability and reinforce the risks of illicit drug use.

AI-generated summary and tagging — may contain inaccuracies; refer to original finding for legal purposes.

Contributing factors

  • Likely fell asleep at the wheel
  • Non-prescription diazepam use contributing to drowsiness
  • History of substance abuse and opioid treatment program participation
  • Drowsy appearance noted by family members prior to driving
Full text

Source and disclaimer

This page reproduces or summarises information from publicly available findings published by Australian coroners' courts. Coronial is an independent educational resource and is not affiliated with, endorsed by, or acting on behalf of any coronial court or government body.

Content may be incomplete, reformatted, or summarised. All court orders for redaction and non-publication are respected; documents with technically defective redaction have been excluded from the database entirely. Always refer to the original court publication for the authoritative record.

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