restraint asphyxia

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restraint asphyxia2016-12-16T06:44:13+00:00

restraint asphyxia 

FORENSICS

Restraint asphyxia (RA) is a form of positional asphyxia caused by mechanical–i.e., by a device, or physical–i.e., by a person, restraint which prevents a person’s escape from an asphyxiating position.

The underlying mechanism of RA is unclear; potential causal factors include restriction of thoracic respiratory movements, airway compromise, and release of catecholamines during physical exertion, which occur in normal, healthy volunteers. Autopsy findings to support a diagnosis of RA are meagre to nonexistent, with no typical pathological findings. Determination of RA must be made based on the historical events surrounding the physical struggle. 

References
www.cpa-apc.org/Publications/Archives/CJP/2003/june/mohr.asp;
Reay DT, Death in custody Clin Lab Med 1998;18:1–22
www.enw.org/RestraintsForWeb2.htm
http://www.charlydmiller.com/RA/restrasphyx01.html