Scott Alan Murdoch, a 43-year-old maximum-security prisoner with chronic suicidal ideation, borderline personality disorder, and a documented history of medication hoarding and overdose attempts, died from amitriptyline toxicity in April 2021. He accumulated approximately 21 days' worth of amitriptyline while receiving supervised medication administration through his cell door trap. Key clinical lessons include: tricyclic antidepressants pose substantial overdose fatality risk in high-risk patients and safer alternatives should be prioritised; medication supervision through cell traps creates inherent diversion risk despite mouth checks; mental health stability alone cannot reliably predict suicide risk in patients with chronic suicidal ideation and previous overdose attempts; and multidisciplinary communication gaps regarding COVID-related staffing changes and medication precautions were apparent. The coroner identified that alternative medication options with lower lethality profiles were not exhaustively explored, and enhanced precautions during medication administration were not formally reviewed during the pandemic period.
AI-generated summary and tagging — may contain inaccuracies; refer to original finding for legal purposes.
Prescribing of tricyclic antidepressant with high overdose lethality in high-risk patient
Inadequate documentation of overdose risk considerations prior to 2017 amitriptyline prescribing
Medication administration through cell door trap creating diversion risk
Insufficient exploration of alternative medication options with lower fatality profiles
Lack of documented review of medication precautions during COVID-19 pandemic affecting staffing
Inability of mouth checks and cell searches to eliminate hoarding risk entirely
Chronic suicidal ideation and documented history of previous overdose attempts on amitriptyline
Coroner's recommendations
Corrections Victoria, in collaboration with Justice Health and Health Service Providers, identify and implement alternative options for administering supervised medication to enable custodial staff to more closely supervise consumption and inspect medication has been consumed, with specific consideration given to safe and secure options avoiding cell trap administration
Prescribers consider alternative medications less likely to be lethal in overdose for patients at high risk of overdose or with past overdose history, only prescribing tricyclic antidepressants where other options have been excluded with clear rationale documented
Interagency discussion between Forensicare, Corrections Victoria and Correct Care Australasia regarding reviewing medication supervision guidelines to decrease medication diversion risk, including adaptations for COVID-19 precautions, reviewing medication setting and observation processes for high-risk patients
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