Classification of asphyxic deaths
The following is a classification of the causes of asphyxic deaths. The fact that this type of death occurs in so many situations indicates the importance of asphyxia as cause of death.
decreased atmospheric oxygen tension (pressure)
a) low barometric pressure
b) displacement by inert gasses (nitrogen [N2]; carbon dioxide [CO2])
obstruction of the external airways
obstruction of the internal airways
4) Impairment or respiratory movements (mechanical asphyxia)
5) Pressure on neck
a) Throttling pressure exerted by hands on the neck
b) Strangulation pressure exerted by a ligature on the neck (without the weight of the body having an effect)
pressure exerted by a ligature on the neck due to the effect of the body weight
7) Auto-erotic deaths
a) Immersion without aspiration
b) Drowning with aspiration
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