Inquest into the death of Yongxing Wang
Deceased
Yongxing Wang
Demographics
79y, male
Date of death
2014-08-25
Finding date
2018-02-23
Cause of death
hypoxic brain injury due to cardio-respiratory arrest caused by opioid toxicity
AI-generated summary
Yongxing Wang, 79, died from hypoxic brain injury caused by opioid toxicity from combined morphine and oxycodone. After a minor back injury on 21 August, he received a cortisone injection on 22 August with complications. Dr L. administered two doses of morphine (30mg and 20mg) intramuscularly at home on 23 August without adequate documentation or monitoring. Wang showed clinical somnolence from 5pm that day—an early warning sign of respiratory depression. The expert consensus was these morphine doses were inappropriate given Wang's age (79), opioid naivety, concurrent oxycodone use, simultaneous use of other medications, lack of clinical assessment documentation, and absence of patient safety monitoring. No adverse findings regarding Dr L.'s initial management on 21 August were made. The critical issues were inadequate dose selection for elderly opioid-naive patients receiving home-based injections, absence of documentation of clinical assessment and drug administration, and failure to observe and respond to early signs of opioid toxicity.
AI-generated summary and tagging — may contain inaccuracies; refer to original finding for legal purposes.
Error types
Clinical conditions
Contributing factors
- inappropriate morphine dosing in elderly opioid-naive patient
- administration of morphine at home without adequate patient monitoring
- concurrent use of morphine and oxycodone with additive effects
- absence of clinical assessment documentation prior to morphine administration
- absence of documentation of morphine doses administered
- failure to respond to early signs of opioid-induced respiratory depression (somnolence)
- home-based administration lacking patient safety mechanisms
- opioid administered to patient already sedated from earlier dose
Coroner's recommendations
- Transcript of inquest forwarded to Executive Officer of Medical Council of NSW pursuant to section 151A(2) of Health Practitioner Regulation National Law (NSW)
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