PMC4452298_01
Flow/Time curve on the mechanical ventilator showing auto-PEEP with a notched expiratory flow curve appearing as an "inverted square root sign" (arrows); this represents a complete occlusion of the airway during expiration when the point of equalization of pressures reaches the level of airway obstruction.
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fig1
He had signs of a persistent large food particle in the main airway as evidenced on the Flow/Time monitor, which showed auto-PEEP with a notched expiratory flow curve, an elevated peak pressure of 53 cm H2O, and plateau pressure of 26 cm H2O (Figure 1).
Chest X-ray. Inflated lungs with right upper lobe opacity and a high endotracheal tube position caused by a foreign body in the central airway.
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fig2
Chest X-ray (Figure 2) showed inflated lungs with a right upper lobe opacity.
A large piece of steak removed from the trachea with rigid bronchoscopy, approximately 10 cm long.
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fig3
A large piece of meat was seen lodged in the distal trachea and extended into the right mainstem bronchus, which was successfully extracted with a grasping crocodile-jaw forceps (Figure 3).
CT abdomen and pelvis. (a) Coronal view and (b) axial view, showing a liver laceration with a large subcapsular hematoma and hemoperitoneum.
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fig4
A CT scan of the abdomen and pelvis (Figure 4) revealed a lacerated liver with a large subcapsular hematoma draining into the pelvis.