How to use overbreathing in a sentence? Find typical usage patterns (collocations)/phrases/context for "overbreathing" and check conjugation/comparative form for "overbreathing". Mastering all the usages of "overbreathing" from sentence examples published by news publications.
Panic attacks may also become situationally-bound when certain situations are associated with panic due to previously experiencing an attack in that particular situation. People may also have a cognitive or behavioral predisposition to having panic attacks in certain situations. Some maintaining causes include avoidance of panic- provoking situations or environments, anxious/negative self-talk ("what-if" thinking), mistaken beliefs ("these symptoms are harmful and/or dangerous"), and withheld feelings. Hyperventilation syndrome may occur when a person breathes from the chest, which can lead to overbreathing (exhaling excessive carbon dioxide in relation to the amount of oxygen in one's bloodstream).
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The second mechanism requires hyperventilation (forced overbreathing) until symptoms of hypocapnia such as tingling, light-headedness or dizziness are felt, followed by a breath-hold. This alone is enough to cause a blackout, but it is widely believed that the effect is enhanced if lung air pressure is increased by holding the breath "hard" or "bearing down" (tightening the diaphragm as in a forced exhalation while allowing no air to escape or having an assistant apply a bear-hug).Neal (2008), p.313 (hyperventilation) These latter actions may augment the effects of hypoxia by approximating the Valsalva maneuver, causing vagal stimulation.
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The condition was first described in 1978 by Pitt and Hopkins in two unrelated patients.Pitt D, Hopkins I (1978) A syndrome of mental retardation, wide mouth and intermittent overbreathing. Aust Paed J 14(3):182-184 The genetic cause of this disorder was described in 2007.Amiel J, Rio M, de Pontual L, Redon R, Malan V, Boddaert N, Plouin P, Carter NP, Lyonnet S, Munnich A, Colleaux L (2007) Mutations in TCF4, encoding a class I basic helix-loop-helix transcription factor, are responsible for Pitt-Hopkins syndrome, a severe epileptic encephalopathy associated with autonomic dysfunction.
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