#loss_of_consciousness  the occurrence of a loss of the ability to perceive and respond
  supertype:  #change.happening__alteration__modification  an event that occurs when something passes from one state or phase to another: "the change was intended to increase sales"; "this storm is certainly a change for the worse"
  subtype:  #faint__swoon__syncope  a spontaneous loss of consciousness caused by insufficient blood to the brain

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