un·con·scious·ness ( n-k n sh s-n s)n. A state of impaired consciousness in which one shows no responsiveness to environmental stimuli but may respond to deep pain with involuntary movements. |
unconsciousness
[unkon′shəsnəs]
a state of complete or partial unawareness or lack of response to sensory stimuli as a result of hypoxia caused by respiratory insufficiency or shock; from metabolic or chemical brain depressants such as drugs, poisons, ketones, or electrolyte imbalance; or from a form of brain pathologic condition such as trauma, seizures, cerebrovascular insult, brain tumor, or infection. Various degrees of unconsciousness can occur during stupor, fugue, catalepsy, and dream states. See also coma.
unconsciousness [un-kon´shus-nes]
an abnormal state of lack of response to sensory stimuli, resulting from injury, illness, shock, or some other bodily disorder. A brief loss of consciousness from which the person recovers spontaneously or with slight help is called syncope or faint. Deep, prolonged unconsciousness is known as coma. See also levels of consciousness.
unconsciousness
an abnormal state of lack of response to sensory stimuli, resulting from injury, illness, shock or some other bodily disorder. A brief loss of unconsciousness from which the animal recovers spontaneously or with slight aid is called fainting. Deep, prolonged unconsciousness is known as coma. See also levels of consciousness.
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