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the International Classification of Sleep Disorders (ICSD), an advanced system cultured by the American Academy of Sleep Medicine (AASM) for sleep specialists. The ICD and DSM lump different disorders together, while the ICSD tends to split related disorders into multiple discrete categories.
Central sleep apnea due to high altitude periodic breathing 327.22 G47.32 Central sleep apnea due to a medical condition, not Cheyne-Stokes 327.27 G47.31 Central sleep apnea due to a drug or substance 327.29 F10-19 Primary sleep apnea of infancy 770.81 P28.3 Obstructive sleep apnea syndromes: Obstructive sleep apnea, adult 327.23 G47.33
Sleep apnea (sleep apnoea or sleep apnœa in British English) is a sleep-related breathing disorder in which repetitive pauses in breathing, periods of shallow breathing, or collapse of the upper airway during sleep results in poor ventilation and sleep disruption.
(Or if a person has sleep apnea caused by both causes, it is variously referred to by a number of names, such as mixed sleep apnea or complex sleep apnea.) Hypopnea is traditionally considered to be less severe than apnea (the complete cessation of breathing), while other researchers have discovered hypopnea to have a "similar if not ...
Central hypoventilation syndrome (CHS) is a sleep-related breathing disorder that causes ineffective breathing, apnea, or respiratory arrest during sleep (and during wakefulness in severe cases). CHS can either be congenital (CCHS) or acquired (ACHS) later in life.
The conditions of hypoxia and hypercapnia, whether caused by apnea or not, trigger additional effects on the body.The immediate effects of central sleep apnea on the body depend on how long the failure to breathe endures, how short is the interval between failures to breathe, and the presence or absence of independent conditions whose effects amplify those of an apneic episode.
It is now known that periodic breathing also tends to occur during sleep, it can occur in healthy persons, and the apnea in periodic breathing is usually central sleep apnea rather than obstructive sleep apnea. Periodic breathing during sleep occurs typically in adult patients with congestive heart failure. Periodic breathing is also a normal ...
Sleep apnea is measured by the apnea-hypopnea index (AHI). An AHI is determined with a sleep study. AHI values for adults are categorized as: [2] [3] Normal: AHI<5; Mild sleep apnea: 5≤AHI<15; Moderate sleep apnea: 15≤AHI<30; Severe sleep apnea: AHI≥30; An episode is when a person hesitates to breathe or stops their breathing altogether.