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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 ...
Recommended acute treatment of vasovagal and orthostatic (hypotension) syncope involves returning blood to the brain by positioning the person on the ground, with legs slightly elevated or sitting leaning forward and the head between the knees for at least 10–15 minutes, preferably in a cool and quiet place.
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.
Symptoms: Hypotonia, hyporesponsiveness, pallor, cyanosis. [1] [2] Usual onset: 1 minute to 48 hours post-vaccination. [1] Duration: 1 minute to 14 days (median 10 hours). [1] Causes: Vaccination, most commonly pertussis vaccine. [1] Diagnostic method: Based on symptoms. [1] [3] Differential diagnosis: Vasovagal syncope, seizure: Prevention
Otherwise, the lack of typical postictal symptoms, such as confusion and lethargy following convulsive seizures, may be a sign of non-epileptic seizures. Usually such seizures are instead related to syncope or have a psychogenic origin ("pseudoseizures"). [3] The postictal state can also be useful for determining the focus of the seizure.
Syncope-like epileptic seizures (ictal syncope) with the child becoming "completely unresponsive and flaccid like a rag doll" occur in one fifth of the seizures. [7] More-conventional seizure symptoms often appear after the onset of autonomic manifestations. The child, who was initially fully conscious, becomes confused and unresponsive.
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 ...
An AT treatment program most often involves an individual being instructed to clench their arm, leg, and chest muscles in 10 to 15 second intervals [6] as they are systematically exposed to triggers of increasing likeness to real blood or needles. [8] This program is designed to increase heart rate and blood pressure, counteracting vasovagal ...