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Questions and Answers
What is the primary physiological consequence of a flail chest injury?
What is the primary physiological consequence of a flail chest injury?
- Impaired lung ventilation due to inward collapse of the chest during inspiration. (correct)
- Increased lung capacity due to paradoxical chest wall movement.
- Enhanced oxygen diffusion across the alveolar membrane.
- Reduced cardiac output from direct compression of the heart.
Which anatomical structures are typically affected in a flail chest injury?
Which anatomical structures are typically affected in a flail chest injury?
- The pelvis and hip bones.
- The ribs and sternum. (correct)
- The clavicle and scapula.
- The vertebrae and spinal cord.
During the inspiration phase of breathing, what paradoxical movement is observed in a patient with flail chest?
During the inspiration phase of breathing, what paradoxical movement is observed in a patient with flail chest?
- The affected section of the chest expands outwards more than the rest of the chest.
- The affected section of the chest expands outwards at the same rate as the rest of the chest.
- The affected section of the chest collapses inwards while the rest of the chest expands. (correct)
- The affected section of the chest remains stationary while the rest of the chest expands.
How does the paradoxical movement associated with flail chest directly affect respiratory function?
How does the paradoxical movement associated with flail chest directly affect respiratory function?
In the context of a flail chest, what is the most immediate life-threatening risk associated with impaired lung ventilation?
In the context of a flail chest, what is the most immediate life-threatening risk associated with impaired lung ventilation?
Flashcards
What is flail chest?
What is flail chest?
Multiple rib and sternal fractures causing a segment of the chest wall to detach.
What is inspiration?
What is inspiration?
The act of breathing in.
Paradoxical movement in flail chest?
Paradoxical movement in flail chest?
During inspiration, the flail segment moves inward.
Lung ventilation in flail chest?
Lung ventilation in flail chest?
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What injuries cause flail chest?
What injuries cause flail chest?
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Study Notes
- Multiple rib and sternal fractures can result in a flail chest.
- Flail chest is a condition where a part of the chest collapses inwards during inspiration.
- Flail chest impairs or prevents lung ventilation.
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