In the most severe cases, fortunately rare, severe bradycardia (slowing of the heart rate) combined with bradypnoea (slowing of the respiratory rate) and arterial hypotension (lowering of the blood pressure) may occur during the attack, so much so that to the untrained eye the subject may even appear to be dead. Generally, the patient finds himself as if paralysed and risks falling if he is standing at the time.Ĭataplexy can last from a few seconds to about thirty minutes, during which time the patient remains fully conscious of what is happening. These disturbances are sudden, unpredictable and not anticipated by any premonitory signs and can therefore be dangerous if they occur while driving a motor vehicle or when performing dangerous work. severe cataplexy: there is complete muscular atonia that may last 30 minutes or more.moderate cataplexy: causes partial weakness in the subject with limb failure and may last several minutes.mild cataplexy: causes mild and temporary weakness in the subject with limb failure and generally lasts a few seconds.Cataplexy can have different levels of severity: The word ‘cataplexy’ derives etymologically from the Greek κατάπληξις meaning ‘astonishment’. It can affect completely healthy people who have never had a seizure in their lives.
and the memory of them, or occurs randomly during the course of the day Cataplexy is a generally temporary disorder that causes a loss of muscle tone usually triggered by strong emotions such as crying, laughter, joy, etc.
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