Blackout

Blackout (medicine)

Blackout (/ˈblæk.aʊt/), in the field of medicine, refers to a temporary loss of consciousness, vision, or memory, often caused by a sudden drop in blood pressure or a lack of oxygen in the brain. The term is derived from the English words "black" and "out", indicating the loss of vision or consciousness experienced during the event.

Causes

Blackouts can be caused by various factors, including:

• Alcohol intoxication
• Dehydration
• Hypoglycemia (low blood sugar)
• Orthostatic hypotension (a sudden drop in blood pressure when standing up)
• Certain medications
• Epilepsy
• Stroke

Symptoms

Symptoms of a blackout can include:

• Sudden loss of vision
• Loss of memory
• Dizziness
• Fainting
• Confusion

Treatment

Treatment for blackouts depends on the underlying cause. It may include:

• Rehydration for dehydration
• Adjusting or changing medications
• Blood sugar management for hypoglycemia
• Seizure control for epilepsy
• Stroke treatment

See also

• Syncope
• Transient ischemic attack
• Vasovagal response

External links

• Medical encyclopedia article on Blackout
• Wikipedia's article - Blackout

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