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Entre con la reciente novela
de Almudena Solana en el apasionante mundo de las enfermedades del sueño
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TEST ADMINISTERED BY OUR SLEEP LABORATORY |
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- Nocturnal Sleep Study: El paciente ingresa durante una noche (10PM-7AM). Se le colocan diversos electrodos para la monitorización de EEG, ECG, flujo respiratorio y EMG. Mientras el paciente duerme, estas derivaciones proveen las mediciones fisiológicas con las que se hace el diagnóstico. La prueba finaliza al despertarse por la mañana, siendo el paciente dado de alta. Puede realizarse de manera ambulatoria, aunque con menor fiabilidad diagnóstica.
- VIDEO EEG: This test consists of registering brain activity and recording an image of the brain on video. It is used mostly in the diagnosis of specific sleep disorders, as well as epilepsy, behavioral problems, language delays, and learning disorders. It measures electroencephalographic activity generated by neurons in the brain.
- Sleep Study with CPAP: With sleep apnea syndrome, the nocturnal sleep study may be accompanied by a continuous positive airway pressure (CPAP) study. In this way, a sleep apnea patient can undergo both exams at the same time.
- Nocturnal Videopolysomnogram: This test is used while a patient is sleeping and can be very useful in dealing with problems involving movement or epileptic episodes during sleep.
- EEG of Daytime Sleep: This is a daytime test used to monitor sleep during the day after the patient has failed to sleep the night before.
- Multiple Sleep Latency Test / Maintenance of Wakefulness Test: These two tests are relatively similar. Their objective is the measurement of the severity of daytime drowsiness and the diagnosis of some illnesses such as narcolepsy. This test is usually done during the day (from 8 am to 5 pm).
- Immobilization Test: This test is carried out from 10 pm to 12 pm and is used in the diagnosis of Restless Legs Syndrome.
- Melatonin Secretion Test: This test is used in the diagnosis of various illnesses involving sleep rhythm. It consists of measuring salivary samples taken at various times between 5 pm and 3 am for measurement of melatonin levels while the patient lies still in semidarkness.
- Measurement of hypocretins in the cerebrospinal fluid: This test is used in the diagnosis and differential diagnosis of narcolepsy and is completed by means of a lumbar puncture. A half-day’s stay in the office is required for this test.
- HLA Study: This test is done in the Immunology Laboratory. It is a necessary test for the diagnosis of narcolepsy.
- Electromyography (EMG): The EMG is used to study illnesses and disorders which affect the muscles and to evaluate the state of nerves which control them.
- Actimetry: This test is used with patients who suffer from sleeping problems, specifically those having to deal with circadian rhythm (jet lag, Sleep Phase Delay Syndrome, etc.), insomnia, Restless Leg Syndrome, etc. The test is completely innocuous and complication-free. It consists simply of wearing a watch-like device on the wrist and making sure not to strike it against any hard surface or submerge it in water. The patient wears the watch home and, over the course of three or four days, the watch records his or her movements as he or she goes about normal daily activities. At the end of this time period, the patient returns to our office where we download data from the device and analyze the patient’s movements. This information gives us an indirect but useful idea of the structure of the patient’s sleep by revealing his or her physical activities and movements.
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