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 28-year-old man is brought to the emergency department by ambulance after developing an altered mental state following blunt trauma to the head. The patient was competing at a local mixed martial arts competition when he was struck in the head and lost consciousness. A few minutes later, upon regaining consciousness, he had a progressive decline in mental status. Past medical history is noncontributory. Upon arrival at the hospital, the temperature is 37.0°C (98.6°F), the blood pressure is 145/89 mm Hg, the pulse is 66/min, the respiratory rate is 14/min, and the oxygen saturation is 99% on room air. He is alert now. A noncontrast CT scan is performed, and the result is provided in the image. Which of the following structures is most likely affected in this patient?
ASubarachnoid space
BSuprasellar cistern
CMiddle Meningeal artery
DVentricular system
EBridging veins
A 50-year-old man presents with severe chest pain for a week. His pain increases with breathing and is localized to the right. He has tried over-the-counter medications at home, but they did not help. The patient has a 20-pack-year smoking history and currently smokes 2 packs of cigarettes daily, and he drinks 3 to 4 cans of beer daily before dinner. His temperature is 39.1°C (102.3°F), blood pressure is 127/85 mm Hg, pulse is 109/min, and respirations are 20/min. Respiratory examination shows dullness to percussion from the 7th rib inferiorly at the right midaxillary line, decreased vocal tactile fremitus, and diminished breath sounds in the same area. Chest radiograph is shown in the image. The patient is prepared for thoracocentesis. Which of the following locations would be the most appropriate for insertion of a chest tube?
ABelow the inferior border of the 7th rib in the midaxillary line
BAbove the superior border of the 8th rib in the midaxillary line
CAbove the superior border of the 5th rib in the midclavicular line
DBelow the inferior border of the 5th rib in the midaxillary line
EAbove the superior border of the 7th rib in the midclavicular line
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