Cardiopulmonary Anatomy & Physiolo...

7th Edition
Des Jardins + 1 other
ISBN: 9781337794909



Cardiopulmonary Anatomy & Physiolo...

7th Edition
Des Jardins + 1 other
ISBN: 9781337794909
Textbook Problem

Case 2

1. Why was a PEEP of 5 cm H2O the "best PEEP" in this case?

Summary Introduction

To review:

The reason for 5cmH2O to be the best positive end-expiratory pressure (PEEP) in the given case.


PEEP (positive end-expiratory pressure) is a ventilation method by which the pressure of the airway is kept above the atmospheric pressure toward the end of exhalation. It is achieved via a mechanical obstruction, generally with a valve inside the circuit.

Please refer to Clinical Application Case-2 for further information.


The patient was quickly placed on a ventilator with the first hemodynamic data at 5cmH2O PEEP. Following the review of data from the first hemodynamics, the doctor decreased the tidal volume of the patient to raise the partial arterial pressure of carbon dioxide, which had been decreased due to the first hemodynamic setting

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