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Physiological Assessment of the Mechanically Ventilated Patient 

Physiological Assessment of the Mechanically Ventilated Patient
Physiological Assessment of the Mechanically Ventilated Patient

John W. Kreit

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date: 19 August 2019

This chapter reviews the tests that can be used to determine the type and severity of respiratory failure and the extent to which one or more of the components of normal ventilation and gas exchange have been compromised by disease. Physiological Assessment of the Mechanically Ventilated Patient describes the bedside procedures, measurements, and calculations that allow the assessment of gas exchange and respiratory mechanics in mechanically ventilated patients. Topics include co-oximetry and pulse oximetry, arterial blood gas measurements, venous admixture and shunt fraction, the dead space to tidal volume ratio, time- and volume-capnography, measurement of peak and plateau pressures, and calculation of respiratory system compliance and resistance.

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