Pressure upon the chest leading to a so of mechanical fixation of chest and thereby preventing respiratory movements seen in
Gagging
Choking
Smothering
Traumatic asphyxia
Traumatic asphyxia the term 'traumatic asphyxia' or 'crush asphyxia' is applied where there is pressure upon chest leading to a so of mechanical fixation of chest and thereby preventing respiratory movements. Eg: burial under the rubble of a collapsed building. Crushing under an automobile. Etc Ref: TEXTBOOK OF FORENSIC MEDICINE AND TOXICOLOGY KRISHNAN VIJ PAGE 118
Asphyxia