![]() Before passing out, those affected usually experience symptoms such as a sensation of warmth, flushing, nausea, lightheadedness, tunnel vision, or visual “grayout.” ![]() Vasovagal syncope usually occurs while the individual is standing. Episodes occur when an area of the nervous system that regulates blood pressure and heart rate does not respond effectively to a trigger, such as emotional stress or pain. Vasovagal syncope can occur at any age, but is more common in children and young adults. It is benign and rarely requires medical treatment. This type is also called reflex, neurocardiogenic, neurally mediated, or vasodepressor syncope. Vasovagal syncope (VVS) is the most common form of fainting and a frequent reason for visits to the emergency department. Alireza Nazeri in Houston, Texas, call (713) 909-3166. If you have experienced syncope, you should be evaluated by a physician. It is crucial to identify the cause of syncope and prevent additional episodes. Syncope episodes that occur during exercise, are associated with chest pain or palpitations, or occur in a person with a family history of sudden cardiac death may suggest the presence of a severe heart abnormality. If you experience frequent falls, it is essential to see a doctor to find out if they are a result of syncope. If you are 65 years of age or older, syncope can cause frequent falls, leading to serious injuries such as broken hips or life-threatening blows to the head. This state is called near syncope, or almost fainting, and should be taken just as seriously as syncope.īecause syncope involves a temporary loss of alertness and muscle strength, episodes may lead to injuries if they occur while you are driving a vehicle, operating heavy machinery, or working up on a ladder. Some people may feel nauseous, dizzy, and lightheaded, and may get the sensation that they are going to pass out, but do not lose consciousness. Individuals who experience syncope may have other symptoms, including nausea, sweating, palpitations, chest pain, shortness of breath, and lightheadedness, before they totally lose consciousness. ![]() The causes of syncope range from benign conditions to life-threatening ones, such as abnormal heart rhythms (arrhythmias). Episodes happen quickly but do not last long, and those affected usually regain complete alertness within a few minutes. Syncope (pronounced sin-ko-pee), also known as fainting, passing out, or blacking out, is a transient state of loss of consciousness, alertness, and muscle strength that occurs because of a decrease in blood flow to the brain.
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