Coronial
WAhospital

Inquest into the Death of Shannon Elizabeth MURPHY

Deceased

Shannon Elizabeth MURPHY

Demographics

33y, female

Date of death

2012-04-27

Finding date

2016-11-16

Cause of death

Methylamphetamine intoxication leading to agitated delirium and extreme exertion-induced cardiac arrhythmia

AI-generated summary

A 33-year-old female with a history of methylamphetamine use consumed the drug and became acutely intoxicated, exhibiting agitated delirium and bizarre behaviour searching for her son. She was violently assaulted by residents while attempting to enter homes. Upon police arrival, she was found collapsed and covered in blood with head, arm and skeletal injuries. Police correctly recognised a medical emergency, restrained her gently to prevent further harm, and placed her in recovery position to prevent positional asphyxia. Despite immediate ambulance request and CPR, she died from methylamphetamine and exertion-induced cardiac arrhythmia. The coroner found police response appropriate and professional. Clinically, this case highlights that excited delirium from stimulants carries profound cardiac risk, particularly with extreme exertion, and that rapid escalation of care and CPR are crucial.

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

Contributing factors

  • methylamphetamine intoxication at high blood levels (2.4 mg/L)
  • agitated delirium
  • extreme physical exertion over prolonged period
  • significant blood loss from lacerations
  • head injury with concussive injury to brain stem
  • concurrent venlafaxine use (potential theoretical contribution)
  • violent assaults sustained prior to police arrival

Coroner's recommendations

  1. None noted. Coroner stated: 'I do not feel there are useful recommendations I can make. It is clear that with the increased prevalence of methylamphetamine intoxication in the community, the training of police to confront these situations has moved with the times.'
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