YSK: that in crush/ crowd asphyxiation deaths, multiple factors often come into play besides crushing chest injury, including things like carbon dioxide exchange from exhalation, and air flow, making petite women and children especially vulnerable.
from /r/YouShouldKnow
YSK:在挤压/人群窒息死亡中,除了挤压性胸部受伤外,往往还有多种因素起作用,包括呼出的二氧化碳交换和空气流动等,使身材娇小的妇女和儿童特别容易受到伤害。