what is fainting a sign of
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- Patient Comments Read 29 Comments Share Your Story. Fainting, which medical professionals call syncope (pronounced SIN-ko-pea), is a temporary loss of consciousness. Fainting is caused by a temporary loss of the brain's blood supply and can be a sign of a more serious condition.
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What is fainting and what causes it? The medical term for fainting is syncope. Fainting is a sudden loss of consciousness, usually temporary and typically caused by a lack of oxygen in the brain. The brain oxygen deprivation has many possible causes, including hypotension (low blood pressure).
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Fainting URL of this page: //medlineplus.gov/ency/article/003092.htm. Fainting is a brief loss of consciousness due to a drop in blood flow to the brain. The episode most often lasts less than a couple of minutes and you usually recover from it quickly. The medical name for fainting is syncope.
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Understanding Fainting -- the Basics Fainting, also called syncope (pronounced SIN-ko-pee), is a sudden, brief loss of consciousness and posture caused by decreased blood flow to the brain. Many different conditions can cause fainting.
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- The most common causes of fainting are usually not signs of a more serious illness. The vasovagal reflex, which causes the heart rate to slow and the blood vessels to widen, or dilate. As a result, blood pools in the lower body and less blood goes to the brain.
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Understanding Fainting -- the Basics Fainting may have a variety of causes. A simple episode, also called a vasovagal attack or neurally-mediated syncope, is the most common type of fainting spell. It is most common in children and young adults. A vasovagal attack happens because blood pressure drops, reducing circulation to the brain and causing loss of consciousness.
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- Dear jay, The medical term for fainting is syncope (or near syncope if one dosen't actually pass out). This is a common but complex condition that has many causes. The most common cause is the common faint (neurocardiogenic or vasovagal syncope).ear Alison, The medical term for fainting is syncope (or near syncope if one dosen't actually pass out). This is a common but complex condition that has many causes. The most common cause is the common faint (neurocardiogenic or vasovagal syncope).
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Dizziness and Fainting Spells Fainting brought on by a rapid drop in blood pressure and heart rate is considered a positive result for vasovagal syncope. Rest assured that once the table is lowered, the patient’s heartbeat and circulation return to normal, and she regains consciousness.
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- Syncope (pronounced “sin ko pea”) is the medical term for fainting or passing out. It is caused by a temporary drop in the amount of blood that flows to the brain.Syncope can happen if you have a sudden drop in blood pressure, a drop in heart rate, or changes in the amount of blood in areas of your body.t is caused by a temporary drop in the amount of blood that flows to the brain. Syncope can happen if you have a sudden drop in blood pressure, a drop in heart rate, or changes in the amount of blood in areas of your body.
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- Unconsciousness is an obvious sign of fainting. Vasovagal syncope. Before fainting, the person may feel light-headed and shaky and experience blurred vision. The person may see spots in front of their eyes.. During this time, observers note paleness, dilated pupils, and sweating. While unconscious, the person may have low pulse rate (less than 60 beats/minute).
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Fainting When you faint, you not only lose consciousness, you also lose muscle tone and the color in your face. Before fainting, you may feel weak and nauseated. You may have the sense that your vision is constricting (tunnel vision) or noises are fading into the background.
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Overview Fainting, also called syncope (SING-ko-pee), is a sudden loss of consciousness. It occurs when the blood pressure drops and not enough oxygen reaches the brain. There are times when fainting may look like a seizure.
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Fainting: Not to be Taken Lightly Lecture Overview: 1  Syncope is a sudden and temporary loss of consciousness, commonly referred to as fainting or passing out. 2  It can be caused by emotional stress, pain, sudden changes in body position, overheating, dehydration, low blood sugar, or exhaustion.
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Anxiety & Fainting: Can Anxiety Cause You To Faint? Introduction. Syncope is the medical term for fainting. It happens when your brain doesn't get enough blood flow and you lose consciousness. Usually a slow heart rate causes a drop in blood pressure, which reduces blood flow to the brain. In most cases, you recover within seconds or minutes.
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How is fainting (syncope) diagnosed? Fainting, blacking out, or syncope is the temporary loss of consciousness followed by the return to full wakefulness. This loss of consciousness may be accompanied by loss of muscle tone that can result in falling or slumping over.ainting, blacking out, or syncope is the temporary loss of consciousness followed by the return to full wakefulness. This loss of consciousness may be accompanied by loss of muscle tone that can result in falling or slumping over.
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- Causes of fainting. Fainting (syncope) is caused by a temporary reduction in blood flow to the brain. Blood flow to the brain can be interrupted for a number of reasons. The different causes of fainting are explained below. A trigger. Fainting is most commonly caused by a temporary glitch in the autonomic nervous system.
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- Some causes of fainting include. 1  Heat or dehydration. 2  Emotional distress. 3  Standing up too quickly.  Certain 1  medicines. Drop in blood sugar.  Heart problems.
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Syncope (medicine) Syncope, also known as fainting, passing out and swooning, is defined as a short loss of consciousness and muscle strength, characterized by a fast onset, short duration, and spontaneous recovery.It is due to a decrease in blood flow to the entire brain usually from low blood pressure.yncope, also known as fainting, passing out and swooning, is defined as a short loss of consciousness and muscle strength, characterized by a fast onset, short duration, and spontaneous recovery.
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How is fainting (syncope) diagnosed? Fainting is not caused by head trauma, since loss of consciousness after a head injury is considered a concussion. However, fainting can cause injury if the person falls and hurts themselves, or if the faint occurs while participating in an activity like driving a car.
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How is fainting (syncope) diagnosed? Fainting, blacking out, or syncope is the temporary loss of consciousness followed by the return to full wakefulness. This loss of consciousness may be accompanied by loss of muscle tone that can result in falling or slumping over.
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Rheumatoid Arthritis (RA) This can result in: 1  Anemia (a low red blood cell count), which can cause a person to feel weak and tired. 2  A low white blood cell count, which can lower the body’s ability to fight infections and might even be life-threatening. 3  A low blood platelet count, which can lead to excess bruising and bleeding.
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Understanding Fainting -- the Basics A simple episode, also called a vasovagal attack or neurally-mediated syncope, is the most common type of fainting spell. It is most common in children and young adults. A vasovagal attack happens because blood pressure drops, reducing circulation to the brain and causing loss of consciousness.
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Symptoms of hypotension Fainting (syncope) occurs when the brain is not sufficiently supplied with blood and oxygen for a short period of time caused by a sudden drop in blood pressure. First signs are dizziness, a feeling of emptiness in the head, nigrescence or flickering of the eyes.
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Dizziness and Fainting Spells A temporary decrease in blood flow to the brain results in unconsciousness, or fainting. Many disorders, some of them serious, can cause this.
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Fainting Why fainting happens, and how to nip it in the bud. Many things can cause sudden low flow to the brain that leads to fainting. The causes can be grouped loosely into two camps: problems outside the heart (noncardiac syncope), which account for the majority of faints, and problems in the heart (cardiac syncope).