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Baroreceptor
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==Baroreceptor dysfunction== Baroreceptors are integral to the body's function, as pressure changes in the blood vessels would not be detected as quickly in the absence of baroreceptors. When baroreceptors are not working, blood pressure continues to increase, but within an hour, the blood pressure returns to normal as other blood pressure regulatory systems take over.<ref>{{Cite journal|last=Guyton|first=Arthur C.|date=1991|title=Blood Pressure Control-Special Role of the Kidneys and Body Fluids|journal=Science|volume=252|issue=5014|pages=1813β1816|doi=10.1126/science.2063193|pmid=2063193|jstor=2875873|bibcode=1991Sci...252.1813G}}</ref> Baroreceptors can also become oversensitive in some people (usually the carotid baroreceptors in older males). This can lead to [[bradycardia]], dizziness and [[syncope (medicine)|fainting (syncope)]] from touching the neck (often whilst shaving). This is an important cause to exclude in men having pre-syncope or syncope symptoms.
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