apneic

adj

1. Exhibiting or relating to apnea: no longer breathing

   “Rarely (in cases which trouble us all) our new tools find themselves applied to bodies which in any prior human era would have become apneic in seconds, pulseless in minutes, rigid in hours, and putrid in days[…].”

   “In three animals, apneic episodes in the second minute of hypoxia necessitated termination of the hypoxic challenge.”