Polysomnography can detect breathing disorders (such as obstructive sleep apnea), seizure disorders, narcolepsy, periodic limb movement disorder, and unusual movements and behaviors during sleep (parasomnias). A painless clip is attached to a finger or an ear to record oxygen levels in the blood. Electroencephalography (EEG) is a simple, painless procedure in which. Cataplexy is the pathognomonic symptom of narcolepsy, and is the sudden uncontrollable onset of skeletal muscle paralysis or weakness during wakefulness. 1 Cataplectic attacks are more frequently incited by positive emotions (i.e., laughter, excitement, etc.) than negative emotions (i.e., anger, fear. read more, or ECG), muscle activity ( electromyography Electromyography and Nerve Conduction Studies Diagnostic procedures may be needed to confirm a diagnosis suggested by the medical history and neurologic examination. Attacks of cataplexy are sudden, brief losses of muscle. This record, the electrocardiogram (also known as an ECG). Cataplexy is sometimes the first symptom of narcolepsy, but usually it develops several years after EDS. Electrodes are also attached to other areas of the body to record heart rate ( electrocardiography Electrocardiography Electrocardiography (ECG) is a quick, simple, painless procedure in which the heart’s electrical impulses are amplified and recorded. The recordings help provide doctors with information about sleep stages. Video recording of suspected cataplexy attacks allows the. read more, or EEG) as well as eye movements. Conclusions: Cataplexy is characterized by abrupt facial involvement during laughter behavior. Electroencephalography (EEG) is a simple, painless procedure in which. Narcolepsy is a neurological sleep disorder characterized by chronic, excessive attacks of drowsiness during the day, sometimes called excessive daytime. Electrodes are pasted to the scalp and face to record the brain's electrical activity ( electroencephalography Electroencephalography Diagnostic procedures may be needed to confirm a diagnosis suggested by the medical history and neurologic examination. Polysomnography is usually done in a sleep laboratory, which may be located in a hospital, clinic, hotel room, or other facility that is equipped with a bed, bathroom, and monitoring equipment. What is it Cataplexy is the term given to sudden muscular weakness triggered by strong emotions such as laughter, anger and surprise.
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