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Diagnostic issues in unusual asphyxial deaths
R W Byard1, D Williams, R A James
1(1)Forensic Science Centre, Adelaide, South Australia. byard.roger@saugov.sa.gov.au
Journal of Clinical Forensic Medicine
|August 9, 2005
Summary
Fatal upper airway obstruction can stem from diverse causes, including accidents, suicide, and underlying medical conditions like dementia. This case series highlights various scenarios leading to lethal choking episodes.
Area of Science:
- Forensic Pathology
- Medical Case Reports
Background:
- Upper airway occlusion is a critical medical emergency with multifactorial causes.
- Accidents, intentional self-harm, homicide, and natural diseases can all lead to fatal airway compromise.
Purpose of the Study:
- To present a series of nine cases illustrating diverse circumstances of fatal upper airway obstruction.
- To analyze the range of causes, including external objects, internal pathologies, and underlying medical conditions.
Main Methods:
- Retrospective case review of nine individuals experiencing fatal upper airway compromise.
- Analysis of autopsy findings and circumstances surrounding each death.
Main Results:
- Cases included suicide (blanket impaction), accidents (soil, rock, sticker inhalation), and internal obstructions (hemangioma, enlarged tonsil).
- Two deaths were linked to underlying organic diseases (dementia, diabetes mellitus).
- Two cases presented ambiguous circumstances, with evidence suggesting possible accidental death or suicide.
Conclusions:
- Fatal upper airway obstruction arises from a wide spectrum of causes, necessitating thorough investigation in each case.
- Both external factors and internal medical conditions can precipitate lethal airway compromise.
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