what faintness
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FAINTNESS The noun FAINTNESS has 5 senses: 1. a feeling of faintness and of being ready to swoon. 2. the property of being without strength. 3. barely audible. 4. the trait of lacking boldness and courage. 5. the quality of being dim or lacking contrast. Familiarity information: FAINTNESS used as a noun is common.
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- Vasovagal syncope is a common cause of fainting. The vagus nerve is overstimulated and causes the body's blood vessels to dilate and the heart to slow down. This anti-adrenaline effect decreases the ability of the heart to pump blood upward to the brain against gravity. Without blood flow, the brain turns off.
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Introduction Causes of fainting. The brain relies on oxygen carried in the blood to function properly. Fainting can occur when the blood flow to the brain is reduced. Your body usually corrects reduced blood flow to the brain quickly, but it can make you feel odd, sweaty and dizzy.
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Summary Syncope and transient loss of consciousness; multidisciplinary management. Vasovagal syncope, also known as fainting, is a transient, self-terminating loss of consciousness caused by a sudden reduction in blood flow to the brain due to a decrease in blood pressure.
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Syncope (medicine) Syncope (medicine) Syncope, also known as fainting, is a loss of consciousness and muscle strength characterized by a fast onset, short duration, and spontaneous recovery. It is caused by a decrease in blood flow to the brain, usually from low blood pressure. There are sometimes symptoms before the loss of consciousness such as lightheadedness, sweating, pale skin, blurred vision, nausea, vomiting, or feeling warm. Syncope may also be associated with a short episode of muscle twitching. When consciousness and musc
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fainting Extreme pain, fear, or stress may bring on fainting. This type of fainting is caused by overstimulation of the vagus nerve, a nerve connected to the brain that helps control breathing and circulation. In addition, a person who stands still or erect for too long may faint.
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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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Fainting: Symptoms, diagnosis and treatment Fainting may have a variety of causes. A simple faint, also called a vasovagal attack or neurally-mediated syncope, is the most common type of fainting. It is most common in children and young adults. A vasovagal attack happens because your blood pressure drops, reducing circulation to the brain and causing loss of consciousness.
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Fainting Why fainting happens, and how to nip it in the bud. Faint, black out, swoon, pass out. They're all names for the same thing - a temporary loss of consciousness followed by a fairly rapid and complete recovery. It's frightening when it comes out of the blue, more so when it happens again and again. The technical term, syncope (SIN-kuh-pee), comes from a Greek word that means to cut short or interrupt.
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- Syncope: Partial or complete loss of consciousness with interruption of awareness of oneself and ones surroundings. When the loss of consciousness is temporary and there is spontaneous recovery, it is referred to as syncope or, in nonmedical quarters, fainting.
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fainting Definition. 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.ometimes fainting may be caused by a temporary drop in the blood supply to the brain caused by a transient ischemic attack (TIA). A TIA, sometimes called a mini-stroke, is a disruption in the blood supply to the brain caused by a blocked or burst blood vessel.
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Fainting: Not to be Taken Lightly Fainting: Not to be Taken Lightly. Syncope is a sudden and temporary loss of consciousness, commonly referred to as fainting or passing out. It can be caused by emotional stress, pain, sudden changes in body position, overheating, dehydration, low blood sugar, or exhaustion.
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Syncope (medicine) Syncope, also known as fainting, 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. Some causes have prodromal symptoms before the loss of consciousness occurs. These symptoms may include lightheadedness, sweating, pale skin, blurred vision, nausea, vomiting, and feeling warm, among others.
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- 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. Fainting is most commonly caused by a temporary malfunction in the autonomic nervous system.
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?????? ?? Fainting happens when you lose consciousness for a short amount of time because your brain isn’t getting enough oxygen. The medical term for fainting is syncope, but it’s more commonly known as “passing out.” A fainting spell generally lasts from a few seconds to a few minutes.
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Vasovagal (Neurocardiogenic) Syncope Syncope — commonly called fainting — is the medical term for a temporary loss of consciousness. Any episode of syncope is important for at least two reasons. First, syncope can cause injury, so it is important to try to prevent it from recurring.
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hyperventilation excessively rapid and deep breathing. a condition characterized by abnormally prolonged and rapid breathing, resulting in decreased carbon dioxide levels and increased oxygen levels that produce faintness, tingling of the fingers and toes, and, if continued, alkalosis and loss of consciousness.
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- Topic Overview. Syncope (say SING-kuh-pee) refers to a sudden loss of consciousness that soon passes. Syncope may be the first sign that you have an arrhythmia. And it is a very worrisome symptom for several reasons: Passing out can cause a serious injury.
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Fainting Cardiac syncope: Heart disease causes a person to faint by a variety of mechanisms. Cardiac causes of fainting are generally life-threatening and include the following: 1  Cardiac rhythm abnormality (arrhythmia): Electrical problems of the heart impair its pumping ability. 2  This causes a decrease in blood flow.
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How is fainting (syncope) diagnosed? Introduction to fainting (syncope) 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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Fainting Fainting is a brief loss of consciousness due to a drop in blood flow to the brain. The episode lasts less than a couple of minutes and you recover from it quickly and completely.ainting is a brief loss of consciousness due to a drop in blood flow to the brain. The episode lasts less than a couple of minutes and you recover from it quickly and completely.
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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. Fainting is most commonly caused by a temporary malfunction in the autonomic nervous system.
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Fainting: Causes, Symptoms, Treatment, and Prevention Fainting (syncope) is a sudden loss of consciousness from a lack of blood flow to the brain. People who faint usually wake up quickly after collapsing. Management for this condition is simple, usually requiring little more than letting the victim recover while lying flat (supine).
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Understanding Fainting -- the Basics Many different conditions can cause fainting. These include heart problems such as irregular heart beats, seizures, low blood sugar (hypoglycemia), anemia (a deficiency in healthy oxygen carrying cells), and problems with how the nervous system (the body's system of nerves) regulates blood pressure.