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Technical Factors Influencing the Nitrogen Single Breath Washout Test: An Experimental Study in Subjects with Pulmonary Disease.

Authors
James-RH
Source
NIOSH 1968 Dec:28 pages
Link
NIOSHTIC No.
00020787
Abstract
Factors influencing the increase in per cent nitrogen of expired volumes are studied for tracings taken in the nitrogen single breath test from miners with varied levels of pulmonary disability. The factors include a difference in inspired oxygen volume, as related to maximal end-expiratory position or resting end-expiratory position inhalation, and ventilatory conditions; expiratory flow rate; and expiratory flow pattern.
Keywords
Respiratory-system-disorders; Respiratory-function-tests; Vital-capacity; Lung-ventilation; Physiological-effects;
CAS No.
7727-37-9; 7782-44-7;
Publication Date
19681201
Fiscal Year
1969
NTIS Accession No.
NTIS Price
Priority Area
Pulmonary-system-disorders
Source Name
NIOSH, Environmental Control Agency, Report No. TR-55, 28 pages, 19 references
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