A 28-year-old research assistant is brought to the emergency department for severe chemical burns 30 minutes after accidentally spilling hydrochloric acid on himself. The burns cover both hands and forearms. His temperature is 37°C (98.6°F), pulse is 112/min, respirations are 20/min, and blood pressure is 108/82 mm Hg. Initial stabilization and resuscitation is begun, including respiratory support, fluid resuscitation, and cardiovascular stabilization. The burned skin is irrigated with saline water to remove the chemical agent. Which of the following is the most appropriate method to verify adequate fluid infusion in this patient?
AThe Parkland formula
BBlood pressure
CPulmonary capillary wedge pressure
DHeart rate
EUrinary output
A 25-year-old man is brought to the emergency department 3 hours after rescuing babies and puppies from a burning daycare center. He complains of headache and nausea, which he attributes to running. He is breathing comfortably. What is another likely finding in this patient?
AOxygen saturation of 86% on pulse oximetry
BLow blood lactate levels
CArterial oxygen partial pressure of 20 mmHg
DOxygen saturation of 99% on pulse oximetry
ECherry red facial appearance
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
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