A 42-year-old man is brought to the emergency department 20 minutes after the sudden onset of severe chest pain, diaphoresis, shortness of breath, and palpitations. His symptoms occurred while he was at a party with friends. He has smoked one pack of cigarettes daily for 24 years. He uses cocaine occasionally. The last use was three hours ago. He appears pale. His pulse is 110/min, blood pressure is 178/106 mm Hg, and respirations are 24/min. His pupils are dilated and react sluggishly to light. The lungs are clear to auscultation. An ECG shows tachycardia and ST segment elevation in leads II, III, and aVF. While recording the ECG, the patient loses consciousness. A photo of the ECG at that point is shown. Which of the following is the most appropriate next step in management?
AAdminister lidocaine
BUnsynchronized cardioversion
CAdminister epinephrine
DCoronary angiography
ESynchronized cardioversion
A 75-year-old man presents to the emergency department after an episode of syncope while walking outside with his wife. His wife states that he suddenly appeared pale and collapsed to the ground. She says he remained unconscious for 1 minute. He says he noticed a fluttering in his chest and excessive sweating before the episode. He has type 2 diabetes mellitus, essential hypertension, and chronic stable angina. He has not started any new medications in the past few months. Vital signs reveal: temperature 37.0°C (98.6°F), blood pressure 135/72 mm Hg, and pulse 72/min. Physical examination is unremarkable. ECG shows an old bifascicular block. Echocardiogram and 24-hour Holter monitoring are normal. Which of the following is the best next step in the evaluation of this patient's condition?
ACardiac enzymes
BContinuous loop recorder
CValsalva maneuver
DElectroencephalography (EEG)
ETilt-table test
A 22-year-old man is brought to the emergency department by his friends 30 minutes after falling down a flight of stairs. His friends report that they were at a college party, where he drank large amounts of alcohol. He is aggressive and restless. Examination shows tenderness to palpation and swelling of his right lower leg. An x-ray of the right leg shows a lower tibial shaft fracture. The physician recommends overnight observation and surgery the following morning. The patient refuses the suggested treatment and requests immediate discharge. Otherwise, he says, he will call his lawyer and sue the entire medical staff involved in his care. Which of the following is the most appropriate response by the physician?
AYou can leave the hospital after signing a self-discharge against medical advice form.
BIf you don't consent to treatment, I'll be forced to obtain consent from your parents.
CI understand that you want to go home, but I'll have to keep you here as long as you are intoxicated.
DHave you ever felt you should cut down on your drinking?
EI can't force you to stay here, but I'll have to inform your dean of this incident.
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