Hiccup - Wikipedia, the free encyclopedia

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** Hiccup **

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"Hiccups" redirects here. For the Canadian comedy, see Hiccups (TV series).

Singultus
ICD-10 R06.6
ICD-9 786.8
DiseasesDB 5887
MedlinePlus 003068
eMedicine emerg/252
MeSH D006606

A *hiccup* (/ˈhɪkəp/ /*HIK*-əp/) is an involuntary contraction
(myoclonic jerk) of the diaphragm that may repeat several times per minute.
In medicine it is known as *synchronous diaphragmatic flutter* (SDF), or
*singultus*, Latin for the act of catching one's breath while sobbing.^[1]
The hiccup is an involuntary action involving a reflex arc.^[1] Once
triggered, the reflex causes a strong contraction of the diaphragm followed
about 0.25 seconds later by closure of the vocal cords, which results in
the classic "hic" sound. At the same time, the normal peristalsis of the
esophagus is suppressed.

Hiccups may occur individually, or they may occur in bouts. The rhythm of
the hiccup, or the time between hiccups, tends to be relatively constant.

A bout of hiccups, in general, resolves itself without intervention,
although many home remedies are often used to attempt to shorten the
duration.^[2] Medical treatment is occasionally necessary in cases of
chronic hiccups.

*Contents*

· 1 Why hiccups evolved

· 1.1 Phylogenetic hypothesis
· 1.2 Clearance of air from stomach

· 2 Signs and symptoms
· 3 Causes
· 4 Pathologic causes for hiccups

· 4.1 Pre-phrenic nucleus irritation of medulla
· 4.2 Infections
· 4.3 CNS disorders
· 4.4 Nerve damage/irritation

· 5 Treatment
· 6 Society and culture
· 7 See also
· 8 References
· 9 Further reading
· 10 External links

*Why hiccups evolved[edit]*


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Source: en.wikipedia.org/wiki/Hiccup


why hiccups

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