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Reflex syncope can occur in otherwise healthy individuals, and has many possible causes, often trivial ones such as prolonged standing with the legs locked. [ citation needed ] The main danger of vasovagal syncope (or dizzy spells from vertigo) is the risk of injury by falling while unconscious.
Reflex anoxic seizures are a particular type of anoxic seizure, most commonly seen in young children in whom an anoxic seizure or syncope is provoked or precipitated by a noxious stimulus (hence "reflex"). Various precipitants have been identified, but the most common is an unexpected bump to the head.
The “Cardioneuroablation” is a technique created in the nineties and patented in USA, aiming to eliminate the cardiac branch of vagal reflex in order to treat the neurocardiogenic syncope without pacemaker implantation. [6] [7] It is performed without surgery, by using radiofrequency catheter ablation with one-day hospital. [citation needed]
Syncope ((syncope ⓘ), commonly known as fainting or passing out, is a loss of consciousness and muscle strength characterized by a fast onset, short duration, and spontaneous recovery. [1] It is caused by a decrease in blood flow to the brain , typically from low blood pressure . [ 1 ]
Syncope (phonology), the loss of one or more sounds, particularly an unstressed vowel, from the interior of a word; Syncopation, a musical effect caused by off-beat or otherwise unexpected rhythms; Syncopation (dance), or syncopated step, a step on an unstressed beat; Suspension, in music; Syncope, a genus of microhylidae frogs
Ideal sources for Wikipedia's health content are defined in the guideline Wikipedia:Identifying reliable sources (medicine) and are typically review articles. Here are links to possibly useful sources of information about Reflex asystolic syncope. PubMed provides review articles from the past five years (limit to free review articles)
the mammalian diving reflex causes bradycardia and vasoconstriction, whereas vasovagal syncope causes bradycardia and vasodilation. I'm not going to remove it, because I lack the authority. 22/05/2011 —Preceding unsigned comment added by 87.113.215.177 ( talk ) 22:07, 22 May 2011 (UTC) [ reply ]
The term "reflex" was introduced in the 19th century by the English physiologist Marshall Hall, who is credited with formulating the concept of reflex action and explaining it scientifically. He introduced the term to describe involuntary movements triggered by external stimuli, which are mediated by the spinal cord and the nervous system ...