Volume 19, Issue 1 (5-2005)                   Med J Islam Repub Iran 2005 | Back to browse issues page

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HASHEMI R, HOMAYOUNI S, MEHRABIAN A, ZOJAJI H. CALCULATION OF RESIDUAL VOLUME BY SPIROMETRIC DATA. Med J Islam Repub Iran 2005; 19 (1) :49-51
URL: http://mjiri.iums.ac.ir/article-1-415-en.html
CALCULATION OF RESIDUAL VOLUME BY SPIROMETRIC DATA
R. HASHEMI , S.M. HOMAYOUNI , A.A. MEHRABIAN , H. ZOJAJI
Dept. of Internal Medicine, Shohada Medical &Educational Cente1; Shahid Beheshti Universityof Medical Sciences, Tehran, Iran.
Abstract:   (5069 Views)

 ABSTRACT

 Background: The current practice to measure RV is either by BPG or helium dilution methods which may not be available in all clinics due to their cost.

 Methods: This paper outlines a method for both direct and indirect calculation of RV via PFT with acceptable sensitivity (81 %, 60% ), specificity (71 %, 94%) and validity (76%, 78%) for obstructive and restrictive lung disease respectively at a much lower cost.

Keywords: RV: Residual Volume, BPG: Body Plethysmography, PFT: Pulmonary Function Test, FRC: Functional Residual Capacity, ERV: Expiratory Reserve Volume.
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Type of Study: Original Research: Clinical Science | Subject: Internal Medicine
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