Which of the following BEST explains why positive pressure ventilation is the correct management step for a patient with flail segment?
A) The positive pressure limits any movement of the thorax, thus allowing only the unaffected side to be ventilated.
B) The positive pressure accentuates movement of the thorax inward, reducing the movement of the fracture site and moving the flail segment with the chest.
C) The positive pressure permanently inflates the flail segment in order to maximize oxygenation.
D) The positive pressure displaces the thorax outward, reducing the movement of the fracture site and moving the flail segment with the chest.
Answer: D
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a. increased breathing rate c. pale, moist skin b. nausea d. decreased heart rate
Contraindications to positive airway pressure adjuncts to bronchial hygiene therapy include which of the following?
a. Hiccups c. Esophageal surgery b. Air swallowing d. Subcutaneous em-physema