Consciousness - decreased
Alternate Names : Stuporous, Mental status - decreased, Loss of alertness, Decreased consciousness, Alertness - decreased, Changes in consciousness, Obtundation, Coma, Unresponsiveness
Decreased is reduced alertness or awareness.
Related Category: Psychology and Psychiatry
in psychology, a term commonly used to indicate a state of awareness of self and environment.
Review Date: 04/21/2009
Reviewed By: Jacob L. Heller, MD, Emergency Medicine, Virginia Mason Medical Center, Seattle, Washington, Clinic. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
Loss of Consciousness
Overview, Causes, & Risk Factors
Symptoms & Signs
Diagnosis & Tests
Prevention & Expectations
Treatment & Monitoring
is decreased to varying degrees. Repeated stimuli arouse patients only briefly or not at all.
Depending on the cause, other symptoms develop (see Table 3: Coma and Impaired : Findings by Location*): ...
Disorders of consciousness are medical conditions that inhibit consciousness.
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Also known as astatic seizures or drop attacks, these seizures involve a brief loss of consciousness in the affected person. Once it is over, the person is usually unaware of what happened.
knsns noun the state of being mentally alert and knowing what is happening to lose to ...
Consciousness and the Brain
The brain is the main organ responsible for maintaining consciousness. Your brain requires adequate amounts of oxygen and glucose in order to function properly.
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Unconsciousness: An abnormal state of lack of responsiveness to sensory stimuli, resulting from injury, illness, shock, or other bodily disorder.
Loss of the ability to maintain awareness of self and environment combined with markedly reduced responsiveness to environmental stimuli. (From Adams et al., Principles of Neurology, 6th ed, pp344-5)
Uncoupling Agents ...
Unconsciousness is when the victim seems to be asleep but has lost all awareness and is not able to respond to questions or to touch or gentle shaking.
A partial or complete loss of ...
Self-consciousness - some people may feel embarrassed, and be reluctant to smile with parted lips.
Tooth misalignment - a large gap between the front teeth could leave not enough room for the lateral teeth (the ones next to the front teeth).
may be lost for a few seconds in a mild injury, or for hours or days after a more severe injury. The loss of results from a blow to the head.
Consciousness - decreased
Reye syndrome is sudden (acute) brain damage (encephalopathy) and liver function problems of unknown cause.
typically returns when blood sugar reaches a normal level.
Previous: Tests and diagnosis
Next: Prevention ...
Stare into space
Have convulsions (abnormal jerking of the muscles)
Experience abnormalities of sensation or emotion ...
hallucinate (see, hear, feel and smell odd things that aren't really there)
fall into a coma (this is rare) ...
If you are answering for someone else: Is the person unconscious now?
(If you are answering this question for yourself, say no.) ...
a severe, persistent, or worsening headache,
repeated vomiting or nausea,
inability to awaken,
dilation (widening) of one or both pupils,
slurred speech, ...
Loss of consciousness lasting less than 30 minutes or no loss of consciousness at all
Loss of memory (amnesia) lasting less than 24 hours ...
Loss of due to alcohol intake, seizures, stroke, or other conditions
Impaired swallowing function due to poor dentition or a history of Parkinson's disease, Lou Gehrig's disease, stroke, or other conditions ...
Loss of consciousness and body tone, followed by twitching and relaxing muscle contractions
Loss of control of body functions
May be a short period of no breathing (30 seconds) and the person may turn a shade of blue ...
Loss of (lasting seconds to minutes)
Memory loss of the events surrounding the injury
Problems with thinking or concentration ...
loss of consciousness
chest pain caused by activity or exercise
chest pain with a cold sweat
shortness of breath
palpitations (being consciously aware of an abnormality in heartbeat).
fits or seizures, when the body suddenly moves uncontrollably
problems with the senses, such as loss of hearing or double vision
Glasgow Coma Scale ...
Loss of consciousness, uncommonly
Hypoglycemia may also cause these other signs and symptoms:
Heart palpitations ...
Prior to cardiac arrest, some patients report the following symptoms or warning signs in the weeks before the event: ...
Loss of consciousness
Respiratory failure, possibly leading to death
Showing these signs and symptoms does not necessarily mean that a person has been exposed to arsine.
See also: Emergency, Death, Vomiting, Fusion, Surgery