因向后跌倒在大脑内出现特有出血部位，导致额叶下部和颞叶的对冲伤，出现广泛的挫伤和蛛网膜下腔出血。
The characteristic location of the hemorrhage in this brain is consistent with a fall backwards resulting in a contra coup injury to the inferior frontal and temporal lobes. This has resulted in extensive contusions and subarachnoid hemorrhage.