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Episodes of vasovagal syncope are typically recurrent and usually occur when the predisposed person is exposed to a specific trigger. Before losing consciousness, the individual frequently experiences early signs or symptoms such as lightheadedness, nausea, the feeling of being extremely hot or cold (accompanied by sweating), ringing in the ears, an uncomfortable feeling in the heart, fuzzy ...
Micturition syncope or post-micturition syncope is the name given to the human phenomenon of fainting shortly after or during urination. The underlying cause is not fully understood, but it may be a result of vasovagal response , postural hypotension , or a combination thereof.
A frequent type of syncope, termed vasovagal syncope is originated by intense cardioinhibition, mediated by a sudden vagal reflex, that causes transitory cardiac arrest by asystole and/or transient total atrioventricular block. [1] [2] It is known as “Vaso-vagal Syncope”, “Neurocardiogenic Syncope” or “Neurally-mediated Reflex Syncope ...
Syncope rapidly ensues. Indeed, the short latency between the stimulus and the attack has been emphasized as an important distinction from the more familiar (at least in older children and adults) vasovagal syncope. The child loses awareness and postural tone, falling to the ground. There may be down-beat nystagmus.
Rates are highest between the ages of 10–30 years old. This is likely because of the high rates of vasovagal syncope in the young adult population. Older adults are more likely to have orthostatic or cardiac syncope. Syncope affects about three to six out of every thousand people each year. [1] It is more common in older people and females. [7]
Vasovagal syncope affects young children and women more than other groups. It can also lead to temporary loss of bladder control under moments of extreme fear. Research has shown that women having had complete spinal cord injury can experience orgasms through the vagus nerve, which can go from the uterus and cervix to the brain. [13] [14]
This is a shortened version of the sixteenth chapter of the ICD-9: Symptoms, Signs and Ill-defined Conditions. It covers ICD codes 780 to 799. The full chapter can be found on pages 455 to 471 of Volume 1, which contains all (sub)categories of the ICD-9. Volume 2 is an alphabetical index of Volume 1.
The most common stimulus is a painful event. The child turns pale (as opposed to blue) and loses consciousness with little if any crying. The EEG is also normal, and there is no postictal phase, nor incontinence. The child is usually alert within minutes. There may be a relationship with adulthood syncope. [4] Complicated breath-holding spells