A patient presents with difficulty extending their wrist following trauma to the posterior forearm. Which of the following muscles would be most affected by injury to the posterior interosseous nerve?
AExtensor carpi ulnaris
BExtensor carpi radialis brevis
CExtensor pollicis longus
DExtensor digitorum
A 62-year-old man presents to the emergency department with sudden onset of severe left leg pain accompanied by numbness and weakness. His medical history is remarkable for hypertension and hyperlipidemia. His vital signs include a blood pressure of 155/92 mm Hg, a temperature of 37.1°C (98.7°F), and an irregular pulse of 92/min. Physical examination reveals absent left popliteal and posterior tibial pulses. His left leg is noticeably cold and pale. There is no significant tissue compromise, nerve damage, or sensory loss. Which of the following will most likely be required for this patient's condition?
AAntibiotics
BWarfarin
CFasciotomy
DAmputation
EThromboembolectomy
A 35-year-old man is brought to the emergency department from a kitchen fire. The patient was cooking when boiling oil splashed on his exposed skin. His temperature is 99.7°F (37.6°C), blood pressure is 127/82 mmHg, pulse is 120/min, respirations are 12/min, and oxygen saturation is 98% on room air. He has dry, nontender, and circumferential burns over his arms bilaterally, burns over the anterior portion of his chest and abdomen, and tender spot burns with blisters on his shins. A 1L bolus of normal saline is administered and the patient is given morphine and his pulse is subsequently 80/min. A Foley catheter is placed which drains 10 mL of urine. What is the best next step in management?
AAdditional fluids and escharotomy
BEscharotomy
CContinuous observation
DMoist dressings and discharge
EAdditional fluids and admission to the ICU
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