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

Prepare for the FISDAP Paramedic Trauma Exam. Study with detailed flashcards and multiple choice questions, with thorough explanations. Equip yourself with the knowledge you need to excel!

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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