Chapter 13, Problem 20SQ

a.

Summary Introduction

To explain: The way in which paradoxical motion develops with a flail chest injury and how it causes hypoxemia.

Concept introduction: Pulmonary diseases cause episodes of acute respiratory failure. The inadequate alveolar ventilation leads to primary pulmonary failure. There are many conditions that affect the chest wall and pleura as well as influence the function of the respiratory system.

b.

Summary Introduction

To explain: The reason for which atelectasis does not occur directly with a flail chest injury.

Concept introduction: Pulmonary diseases cause episodes of acute respiratory failure. The inadequate alveolar ventilation leads to primary pulmonary failure. There are many conditions that affect the chest wall and pleura as well as influence the function of the respiratory system.