FISDAP Paramedic Trauma Practice Exam 2025 - Free Paramedic Trauma Practice Questions and Study Guide

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What does "paradoxical movement" in flail chest refer to?

One side of the chest moves up while the other side moves down

Paradoxical movement in the context of flail chest indicates that due to a fracture of multiple ribs, a segment of the chest wall moves in the opposite direction to the rest of the chest during respiration. Specifically, when the patient inhales, the affected portion of the chest wall moves inward as the rest of the chest expands outward. Conversely, during exhalation, the flail segment moves outward while the rest of the chest wall contracts. This abnormal movement disrupts the normal mechanics of breathing and can lead to respiratory distress. The presence of paradoxical movement serves as a key clinical sign indicating a severe chest injury and highlights the need for prompt medical intervention. Understanding this phenomenon is crucial for effective management of patients with flail chest.

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The chest moves in with inhalation and out with exhalation

The chest remains completely still during breathing

The patient is unable to breathe spontaneously

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