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| {{SK}} Paraesthesia | | {{SK}} Paraesthesia |
| ==Pathophysiology==
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| Chronic paresthesia indicates a problem with the functioning of [[neuron]]s. This malfunction, which is especially common in older individuals, is often the result of poor [[Circulation (physiology)|circulation]] in the limbs (such as in peripheral vascular disease), which may be caused by [[atherosclerosis]] — the build up of [[plaque]] on [[artery]] walls. Without a proper supply of [[blood]] and [[nutrients]], nerve cells can no longer adequately send signals to the [[brain]]. Because of this, paresthesia can also be a symptom of [[vitamin]] deficiency and [[malnutrition]], as well as [[metabolism|metabolic]] disorders like [[Diabetes mellitus|diabetes]], [[hypothyroidism]], and [[hypoparathyroidism]].
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| Irritation to the nerve can also come frhe surroom [[inflammation]] to tunding tissue. Joint conditions such as [[rheumatoid arthritis]] and [[carpal tunnel syndrome]] are common sources of paresthesia.
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| Another cause of paresthesia, however, may be direct damage to the nerves themselves, or [[neuropathy]], which can stem from [[injury]] or [[infection]] such as [[Lyme disease]], or which may be indicative of a current [[neurological disorder]]. Chronic paresthesia can sometimes be symptomatic of serious conditions, such as a [[transient ischemic attack]], a [[brain tumor]], [[motor neurone disease]], or [[autoimmune disorder]]s like [[multiple sclerosis]] or [[lupus erythematosus]]. A diagnostic evaluation by a [[medical doctor|doctor]] is necessary to rule these out.
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| Paresthesiae of the [[mouth]], hands, and feet are common, transient symptoms of the related conditions of [[hyperventilation syndrome]] and [[panic attack]]s.
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| == Diagnosis ==
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| ==== Chest X Ray ====
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| ==References== | | ==References== |
| {{Reflist|2}} | | {{Reflist|2}} |
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| [[Category:Symptoms]] | | [[Category:Symptoms]] |
| [[Category:Signs and symptoms]] | | [[Category:Signs and symptoms]] |
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| [[de:Parästhesie]]
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| [[es:Parestesia]]
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| [[fr:Paresthésie]]
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| [[it:Parestesia]]
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| [[ja:痺れ]]
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| [[pl:Parestezja]]
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| [[pt:Parestesia]]
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| [[ru:Парестезия]]
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| [[sv:Parestesi]]
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| {{WikiDoc Help Menu}} | | {{WikiDoc Help Menu}} |
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