After Vomiting During a Party, a 25-Year-Old Man Is Rushed

After vomiting during a party, a 25-year-old man is rushed to the emergency department by his wife. The patient admits to having four glasses of wine and a shot of vodka and claims to be feeling better today. The temperature is 37.8 degrees Celsius (100 degrees Fahrenheit) , the blood pressure is 100/50 mm Hg, the pulse rate is 106 bpm, and the respirations rate is 14 /minute. The physical exam reveals blood-tinged vomitus on the patient's shirt and shoes. On palpation, abdominal examination indicates epigastric discomfort. The patient is aware, cooperative, and completely oriented during the mental status evaluation. The blood alcohol concentration is 70 mg/dL. (0.07 percent blood alcohol content) . The doctor suggests that a full blood count, comprehensive metabolic panel, amylase, and lipase be performed. The patient argues that he is OK and wishes to be discharged. Which of the following is the most appropriate course of action?

A) Ask the patient's wife for consent to proceed with laboratory evaluation
B) Discharge the patient with instructions to return to the hospital as needed
C) Do not allow the patient to leave the hospital due to elevated blood alcohol content
D) Explain the potential risks of leaving the hospital without further evaluation
E) Hold patient involuntarily due to imminent medical harm and elevated blood alcohol content