7/26/2023 0 Comments Cataplexy symptoms![]() ![]() Cataplexy is pathognomonic for narcolepsy and is present in around 70% of narcolepsy patients. Cataplexy attacks can last just a few seconds or many minutes. The emotional stimulus may be, for example, laughter, pleasure, anger or excitement. Ĭataplexy is defined as a sudden loss of voluntary muscle tone, with preserved consciousness, triggered by emotion. Autonomic symptoms have been reported in narcoleptic patients and include pupillary abnormalities, fainting spells, erectile dysfunction, night sweats, gastric problems, low body temperature, systemic hypotension, dry mouth, heart palpitations, headache and extremities dysthermia.EDS symptoms can severely disrupt daily life.Automatism occurs in many narcolepsy patients - when affected by severe sleepiness, they may have episodes in which they appear to be awake but lack full awareness and may behave inappropriately at such times.Excessive fatigue is a common complaint and is described by those affected as being a different symptom to sleepiness.They may nap during normal activities such as eating and talking.Patients with narcolepsy have persistent sleepiness, which may be irresistible.EDS and cataplexy are the key diagnostic symptoms. ![]() However, many patients do not have all these features. There is a tetrad of classic narcolepsy symptoms: excessive daytime sleepiness (EDS), cataplexy, hypnagogic hallucinations and sleep paralysis. ![]() Cataplexy, sleep paralysis and hypnagogic hallucinations may be due to REM sleep intruding into wakefulness.
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