About The Medical Condition Work of Breathing

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Find the definition of the medical term Work of Breathing. Work of Breathing defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.

Work of Breathing

Work of Breathing Medical Condition Defined & Explained
Work of Breathing Medical Condition

What's The Definition Of The Medical Condition Work of Breathing?

Respiratory muscle contraction during inspiration. The work is accomplished in three phases: that required to expand the lungs against its elastic forces (LUNG COMPLIANCE work), that required to overcome the viscosity of the lung and chest wall structures (tissue resistance work), and that required to overcome airway resistance during the movement of air into the lungs (AIRWAY RESISTANCE work). Work of breaking 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)

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