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A seizure is a period of symptoms due to abnormally excessive or synchronous neuronal activity in the brain. [6] Outward effects vary from uncontrolled shaking movements involving much of the body with loss of consciousness (tonic-clonic seizure), to shaking movements involving only part of the body with variable levels of consciousness (focal seizure), to a subtle momentary loss of awareness ...
Generally, seizures are observed in patients who do not have epilepsy. [ 1 ] There are many causes of seizures. Organ failure, medication and medication withdrawal, cancer, imbalance of electrolytes, hypertensive encephalopathy, may be some of its potential causes. [ 2 ] The factors that lead to a seizure are often complex and it may not be ...
Neurology. Frequency. 1 in 4000 [1] Photosensitive epilepsy (PSE) is a form of epilepsy in which seizures are triggered by visual stimuli that form patterns in time or space, such as flashing lights; bold, regular patterns; or regular moving patterns. PSE affects approximately one in 4,000 people (5% of those with epilepsy).
Vertiginous epilepsy is infrequently the first symptom of a seizure, characterized by a feeling of vertigo. When it occurs, there is a sensation of rotation or movement that lasts for a few seconds before full seizure activity. While the specific causes of this disease are speculative there are several methods for diagnosis, the most important ...
Convulsion. A convulsion is a medical condition where the body muscles contract and relax rapidly and repeatedly, resulting in uncontrolled shaking. [1] Because epileptic seizures typically include convulsions, the term convulsion is often used as a synonym for seizure. [1] However, not all epileptic seizures result in convulsions, and not all ...
Seizure threshold. The term seizure threshold is used to describe the balance between excitatory (glutaminergic) and inhibitory (GABA -ergic) forces in the brain which affect how susceptible a person is to seizures. Those diagnosed with epilepsy or certain other neurological conditions are more vulnerable to seizures if the threshold is reduced ...
Deaths. 140,000 (2021) [ 9 ] Epilepsy is a group of non-communicable neurological disorders characterized by recurrent epileptic seizures. [ 10 ] An epileptic seizure is the clinical manifestation of an abnormal, excessive, and synchronized electrical discharge in the neurons. [ 1 ] The occurrence of two or more unprovoked seizures defines ...
Water intoxication, also known as water poisoning, hyperhydration, overhydration, or water toxemia, is a potentially fatal disturbance in brain functions that can result when the normal balance of electrolytes in the body is pushed outside safe limits by excessive water intake. Under normal circumstances, accidentally consuming too much water ...
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