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A hypnogram is a form of polysomnography; it is a graph that represents the stages of sleep as a function of time. It was developed as an easy way to present the recordings of the brain wave activity from an electroencephalogram (EEG) during a period of sleep. It allows the different stages of sleep: rapid eye movement sleep (REM) and non-rapid ...
Pulmonology. Breath-holding spells ( BHS) are the occurrence of episodic apnea in children, possibly associated with loss of consciousness, and changes in postural tone. Breath-holding spells occur in approximately 5% of the population with equal distribution between males and females. They are most common in children between 6 and 18 months ...
Familial dysautonomia (FD), also known as Riley-Day syndrome, is a rare, [2] progressive, [3] recessive genetic disorder of the autonomic nervous system [2] that affects the development and survival of sensory, sympathetic, and some parasympathetic neurons in the autonomic and sensory nervous system.
A medical condition such as stroke affecting the brainstem. Voluntary breath-holding or underbreathing, for example, hypoventilation training [2] or the Buteyko method. Medication or drugs, typically when taken in accidental or intentional overdose. Opioids and benzodiazepines in particular are known to cause respiratory depression.
Hyperventilation. Hyperventilation is irregular breathing that occurs when the rate or tidal volume of breathing eliminates more carbon dioxide than the body can produce. [ 1][ 2][ 3] This leads to hypocapnia, a reduced concentration of carbon dioxide dissolved in the blood. The body normally attempts to compensate for this homeostatically, but ...
In an effort to examine the efficacy of AI to predict patient outcomes, researchers trained a machine-learning model on data from 51,500 COVID-19 patients, specifically on eight characteristics ...
Ventilation is normally unconscious and automatic, but can be overridden by conscious alternative patterns. [3] Thus the emotions can cause yawning, laughing, sighing (etc.), social communication causes speech, song and whistling, while entirely voluntary overrides are used to blow out candles, and breath holding (for instance, to swim underwater).
Holding patterns are also noisy, because they exist between roughly 7,000 and 13,000 feet [2,130 to 3,960 meters] of altitude – with about 1,000 feet [about 300 meters] separating each plane ...