Coronial
VIChospital

Finding into death of Catherine Mary Lyons

Deceased

Catherine Mary Lyons

Demographics

59y, female

Date of death

2022-12-16

Finding date

2023-09-11

Cause of death

Complications of Trisomy 21

AI-generated summary

Catherine Mary Lyons, aged 59 with trisomy 21 and moderate intellectual disability, died from complications of her underlying condition. She presented with respiratory tract infection symptoms on 8 December 2022 and was prescribed Augmentin. On 12 December, she showed improvement in cough but had daytime drowsiness; mirtazapine was reduced. On 15 December, she was found unresponsive with cyanosis and hypoxia (76%), requiring emergency admission. Investigation revealed type 2 myocardial infarction, heart failure, and respiratory failure. Clinical teaching points include: recognising that drowsiness in patients on multiple psychotropic medications (Serenace, Oxazepam, Mirtazapine) requires careful assessment; considering cardiac complications in trisomy 21; and early recognition of deterioration in vulnerable patients with limited communication. No clinical errors were identified by the coroner.

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

Contributing factors

  • aspiration pneumonia history
  • Alzheimer's dementia
  • type 2 myocardial infarction
  • acute heart failure
  • type 2 respiratory failure
  • acute kidney injury
  • multiple medication effects including drowsiness
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