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Fainting is a temporary loss of consciousness due to a drop in blood flow to the brain. The episode is brief (lasting less than a couple of minutes) and is followed by rapid and complete recovery. You may feel lightheaded or dizzy before fainting. A longer, deeper state of unconsciousness is often called a coma.
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Fainting is a temporary loss of consciousness, weakness of muscles, and inability to stand up, all caused by sudden loss of blood flow to the brain. Fainting is a relatively common symptom caused by a variety of problems relating to changes in blood pressure.
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Fainting is loss of consciousness caused by a temporary lack of oxygen to the brain. Known by the medical term " syncope, " fainting may be preceded by dizziness , nausea, or a feeling of extreme weakness.
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If your blood pressure drops too low, your brain may not get enough oxygen-rich blood. Your body responds by losing consciousness briefly. You also slump or fall down. This problem is called syncope, fainting, or a blackout.
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When the brain receives conflicting signals, or when there is a problem with blood flow, dizziness or fainting can occur.
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Syncope, or fainting, is a temporary loss of consciousness, usually caused by decreased blood flow to the brain . Syncope is a symptom, rather than a disease itself, and has many causes.
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Falls or accidents can lead to pain, broken bones, and fear of future falls. Protect yourself and others by preparing for episodes. Simple steps can help increase your safety at home and wherever you go.
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Spasticity is marked by stiff or rigid muscles and exaggerated, deep tendon reflexes. The condition can interfere with walking, movement, or speech. See also muscle spasticity .
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Spasticity is a form of muscle overactivity. A spastic muscle is one in which a muscle resists being stretched out, and the resistance to stretch is greater the faster the muscle is moved.
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Spasticity is an abnormal increase in muscle tone. It may be associated with involuntary muscle spasms , sustained muscle contractions (dystonia), and exaggerated deep tendon reflexes that make movement difficult or uncontrollable.
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Respiratory alkalosis is a condition marked by low levels of carbon dioxide in the blood. See also: Alkalosis
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Respiratory alkalosis is a condition where the amount of carbon dioxide found in the blood drops to a level below normal range. This condition produces a shift in the body ' s pH balance and causes the body ' s system to become more alkaline.
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