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| __NOTOC__
| | ==Investigations== |
| {{Sarcoidosis}}
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| {{CMG}}
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| ==Overview== | |
| ==Other Diagnostic Studies==
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| Sarcoidosis most often manifests as a restrictive disease of the lungs, causing a decrease in [[lung volume]] and decreased [[compliance]] (the ability to stretch). The disease typically limits the amount of air drawn into the lungs, but produces higher than normal expiratory flow ratios. The [[vital capacity]] (full breath in, to full breath out) is decreased, and most of this air can be blown out in the first second. This means the [[spirometry|FEV<sub>1</sub>/FVC ratio]] is increased from the normal of about 80%, to 90%. Obstructive lung changes, causing a decrease in the amount of air that can be exhaled, may occur when enlarged lymph nodes in the chest compress airways or when internal inflammation or nodules impede airflow.
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| ==References==
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| {{Reflist|2}}
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| [[Category:Needs content]]
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| [[Category:Ailments of unknown etiology]]
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| [[Category:Pulmonology]]
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| [[Category:Abdominal pain]]
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| [[Category:Rheumatology]]
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| {{WH}}
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| {{WS}}
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