During morning rounds on the medical-surgical unit, a physician is urgently called to eval… — USMLE Step 2 CK

During morning rounds on the medical-surgical unit, a physician is urgently called to evaluate a 54-year-old male. The patient was admitted 48 hours ago for acute gallstone pancreatitis and has been managed with intravenous fluids and fasting. He has a 20-year history of consuming a pint of vodka daily, with his last drink occurring on the morning of admission. His home medications include phenelzine for treatment-resistant depression.

The nurse reports the patient suddenly became combative and is trying to pull out his intravenous lines. On evaluation, the patient is profoundly diaphoretic, tremulous, and disoriented to place and time. He is staring intently at the corner of the room, shouting, "The spiders are crawling out of the walls to get me!" His temperature is 38.9°C (102.0°F), blood pressure is 170/105 mm Hg, and pulse is 132/min.

When the physician approaches, the patient yells, "You are all trying to poison me! I am leaving right now!" and attempts to stumble out of the room. A review of his medical record indicates he has an advance directive naming his sister as his healthcare proxy, though he is currently married to an estranged wife.

Which of the following is the most appropriate next step in the management of this patient?

Prevent the patient from leaving and administer intravenous lorazepam under the doctrine of emergency implied consent.Answer
B
Delay treatment until his estranged wife can be contacted for consent, as spouses hold priority over designated proxies in psychiatric emergencies.
C
Allow him to leave but immediately notify local law enforcement and his employer of his volatile state under the duty to protect.
D
Administer intravenous meperidine for his pancreatitis pain and initiate fluoxetine to manage his acute agitation.
E
Diagnose brief psychotic disorder based on his symptom duration of less than one month and initiate haloperidol.

Answer

Prevent the patient from leaving and administer intravenous lorazepam under the doctrine of emergency implied consent.

The correct approach is to prevent the patient from leaving, using physical restraints if necessary, and immediately administer intravenous benzodiazepines (e.g., lorazepam). This patient is presenting with Delirium Tremens (DTs), a life-threatening complication of alcohol withdrawal characterized by autonomic instability, disorientation, and visual hallucinations typically occurring 48 to 96 hours after the last drink. Because DTs is a severe medical emergency and the patient is delirious (therefore lacking decision-making capacity), the physician must act under the principle of emergency implied consent. This ethical and legal principle allows life-saving treatment to be administered immediately to an incapacitated patient without requiring explicit surrogate authorization.

Step-by-Step Solution

Identify the primary clinical emergency.

The patient is experiencing Delirium Tremens (DTs), indicated by autonomic hyperactivity, visual hallucinations, and confusion 48 hours after alcohol cessation.

Accurate diagnosis differentiates a substance-induced medical emergency from a primary psychiatric disorder.

Assess the patient's decision-making capacity.

The patient lacks the capacity to refuse treatment or leave Against Medical Advice (AMA) due to his severe delirium and disorientation.

Capacity must be established to determine if a patient's refusal of care is legally binding.

Determine the appropriate legal pathway for intervention.

Apply the doctrine of emergency implied consent to administer life-saving treatment and prevent elopement.

In life-threatening medical emergencies where a patient lacks capacity, physicians are legally and ethically obligated to intervene immediately without delaying for surrogate consent.

Key Concept

Emergency implied consent allows physicians to treat patients who lack decision-making capacity in life-threatening medical emergencies (e.g., Delirium Tremens) without waiting for surrogate authorization.

Estimated Time:1m 30s

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