A 52-year-old obese man is brought to the emergency department 30 minutes after he was involved in a high-speed motor vehicle collision. He was the unrestrained driver. On arrival, he is lethargic. His pulse is 112/min, respirations are 10/min and irregular, and blood pressure is 94/60 mm Hg. Pulse oximetry on room air shows an oxygen saturation of 91%. The pupils are equal and react sluggishly to light. He withdraws his extremities to pain. There are multiple bruises over his face, chest, and abdomen. Breath sounds are decreased over the left lung base. Two large bore peripheral venous catheters are inserted and 0.9% saline infusion is begun. Rapid sequence intubation is initiated and endotracheal intubation is attempted without success. Bag and mask ventilation is continued. Pulse oximetry shows an oxygen saturation of 84%. The patient has no advance directive and family members have not arrived. Which of the following is the most appropriate next step in the management of this patient?
ANasotracheal intubation
BVideo laryngoscopy
CCricothyrotomy
DComfort measures only
ETracheostomy
A 27-year-old man is brought to the emergency department 45 minutes after being involved in a motor vehicle collision. He is agitated. He has pain in his upper right arm, which he is cradling in his left arm. His temperature is 36.7°C (98°F), pulse is 135/min, respirations are 25/min, and blood pressure is 145/90 mm Hg. His breathing is shallow. Pulse oximetry on 100% oxygen via a non-rebreather face mask shows an oxygen saturation of 83%. He is confused and oriented only to person. Examination shows multiple bruises on the right anterior thoracic wall. The pupils are equal and reactive to light. On inspiration, his right chest wall demonstrates paradoxical inward movement while his left chest wall is expanding. There is pain to palpation and crepitus over his right anterior ribs. The remainder of the examination shows no abnormalities. An x-ray of the chest is shown. Two large-bore IVs are placed. After fluid resuscitation and analgesia, which of the following is the most appropriate next step in management?
ABedside thoracotomy
BSurgical fixation of right third to sixth ribs
CIntubation with positive pressure ventilation
DPlacement of a chest tube
ECT scan of the chest
A 21-year-old woman comes to the physician for the evaluation of dry cough and some chest tightness for the past several weeks. The cough is worse at night and while playing volleyball. She frequently has a runny nose and nasal congestion. Her mother has systemic lupus erythematosus. The patient has smoked one pack of cigarettes daily for the last 5 years. She does not drink alcohol. Her only medication is cetirizine. Her vital signs are within normal limits. Pulse oximetry on room air shows an oxygen saturation of 98%. The remainder of the examination shows no abnormalities. Which of the following is the most appropriate next step in management?
ACT scan of the chest
BSpirometry
CLaboratory studies
DMethacholine challenge test
EBlood gas analysis
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