Work of Breathing

RESPIRATORY MUSCLE contraction during INHALATION. The work is accomplished in three phases: LUNG COMPLIANCE work, that required to expand the LUNGS against its elastic forces; tissue resistance work, that required to overcome the viscosity of the lung and chest wall structures; and AIRWAY RESISTANCE work, that required to overcome airway resistance during the movement of air into the lungs. Work of breathing does not refer to expiration, which is entirely a passive process caused by elastic recoil of the lung and chest cage. (Guyton, Textbook of Medical Physiology, 8th ed, p406)

Year introduced: 1972(1971)

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Tree Number(s): E01.370.386.700.975, G09.772.965

MeSH Unique ID: D014939

Entry Terms:

• Breathing Work
• Breathing Works

Previous Indexing:

• Respiration (1966-1970)

All MeSH Categories
Analytical, Diagnostic and Therapeutic Techniques and Equipment Category
Diagnosis
Diagnostic Techniques and Procedures
Diagnostic Techniques, Respiratory System
Respiratory Function Tests
Work of Breathing

All MeSH Categories
Phenomena and Processes Category
Circulatory and Respiratory Physiological Phenomena
Respiratory Physiological Phenomena
Work of Breathing