Sarcoidosis other diagnostic studies: Difference between revisions

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==Investigations==
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==Overview==
==Other Diagnostic Studies==
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.
 
==References==
 
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[[Category:Abdominal pain]]
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Revision as of 14:10, 26 September 2012

Sarcoidosis Microchapters

Home

Patient Information

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Sarcoidosis from other Diseases

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

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Overview

Other Diagnostic Studies

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 FEV1/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.

References

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