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Asphyxiation: a review

Emergency Department, Kingston Hospital, Kingston, UK, claireyr{at}hotmail.com

Daniel N Wallis

Emergency Department, St George’s Hospital, London, UK

Asphyxia may be broadly defined as any condition that leads to tissue oxygen deprivation. This article reviews traumatic causes of asphyxia, including the syn drome known as traumatic asphyxia, where a crush injury to the thoracoabdominal area gives the striking clinical triad of cervicofacial cyanosis and oedema, subcon junctival haemorrhage and cutaneous petechial haemorrhages of the face, neck and upper chest. Other traumatic causes of asphyxia reviewed are strangulation due to hanging and autoerotic asphyxiation. However bleak the initial prognosis may appear, any patient who presents with a history of asphyxiation should initially be resuscitated according to the prioritized approach: airway with cervical spine control, oxygenation and ventilation, and circulation. The clinical appearance of the patient is not an indicator of outcome. The identification and treatment of associated compli cations and injuries is vital, since these are a major cause of morbidity and mortality if the patient survives the initial asphyxiation insult.

Key Words: hanging • strangulation • traumatic asphyxia

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