Loss of consciousness

Loss of Consciousness

Loss of consciousness (pronunciation: /lɒs ɒv kɒnʃəsnɪs/) is a state in which a person is not awake and aware of their surroundings. It is a common symptom in a variety of medical conditions, and can occur suddenly or gradually.

Etymology

The term "loss of consciousness" is derived from the Latin words "lossus" meaning "loss" and "consciousness" from the Latin "conscientia" meaning "knowledge".

Definition

Loss of consciousness is defined as a state in which a person is unable to respond to stimuli, cannot be awakened, and is not aware of their surroundings. This can be a temporary or permanent condition, depending on the cause.

Causes

There are many potential causes of loss of consciousness, including:

• Head injury
• Stroke
• Seizure
• Hypoglycemia
• Cardiac arrest
• Syncope
• Coma

Symptoms

Symptoms that may accompany loss of consciousness include:

• Confusion
• Dizziness
• Lightheadedness
• Fainting
• Seizures

Treatment

Treatment for loss of consciousness depends on the underlying cause. It may include:

• CPR for cardiac arrest
• Glucose for hypoglycemia
• Anticonvulsants for seizures
• Surgery for head injuries or stroke

Related Terms

• Unconsciousness
• Coma
• Syncope
• Fainting

External links

• Medical encyclopedia article on Loss of consciousness
• Wikipedia's article - Loss of consciousness

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