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Physical activity following fatal injury from sharp pointed weapons
B Karger1, J Niemeyer, B Brinkmann
1Institute for Legal Medicine, Münster, Germany.
International Journal of Legal Medicine
|May 21, 1999
Summary
Sharp weapon suicides involving major vessels or the heart can allow for significant physical activity. The duration and extent of this activity depend on the injury
Area of Science:
- Forensic Pathology
- Trauma Analysis
- Medical Science
Background:
- This study examines suicide cases involving sharp pointed weapons.
- It focuses on the potential for physical activity following such injuries.
Observation:
- Twelve cases of suicide using sharp pointed weapons were analyzed.
- Injuries involved major arteries (ulnar, carotid, vertebral), veins (great saphenous), lung, liver, and heart.
- Physical activity duration varied from immediate incapacitation to several hours.
Findings:
- Small myocardial perforations (7-10 mm) or carotid artery incisions allowed for considerable physical activity (2-10 min).
- Large heart perforations (1.4-2 cm) or transection of carotid and vertebral arteries resulted in short-term activity (approx. 10 s).
- One case of protracted incapacitation due to heart tamponade from a cannula injury was noted.
Implications:
- Understanding the potential for physical activity post-injury is crucial for forensic investigations.
- The findings highlight the variability in incapacitation times following sharp force trauma.
- This research contributes to the forensic understanding of weapon-related suicides and post-mortem activity.