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Difficulty: MediumDecision-Making Capacity

An inpatient medical team is called to evaluate a 37-year-old woman who is attempting to remove her intravenous lines and demanding immediate discharge. She was admitted yesterday for severe acute pancreatitis and requires aggressive intravenous fluid resuscitation. The physician explicitly warns her that leaving the hospital without completing treatment carries a high risk of systemic complications, including death. The patient replies, "I hear you saying that people can die from this, but that is impossible for me. My body has a magical energy shield that prevents any organ damage. I must go home right now to water my houseplants." She is fully alert and oriented to person, place, and time. Her husband is present in the room and expresses a desire for her to stay and receive treatment. Which of the following is the most appropriate next step in management?

  1. Determine that the patient lacks decision-making capacity and rely on her husband to authorize continued treatment.Answer
  2. B
    Provide an against medical advice (AMA) document for the patient to sign and facilitate her discharge.
  3. C
    Contact the local court system to formally declare the patient legally incompetent.
  4. D
    Bypass the husband and request an emergency ethics committee consultation to mandate her admission.
  5. E
    Order an urgent non-contrast head CT scan to rule out organic brain pathology before deciding on capacity.

Answer

Determine that the patient lacks decision-making capacity and rely on her husband to authorize continued treatment.
The correct action is to determine that the patient lacks capacity and use her husband as the surrogate decision-maker. Decision-making capacity requires four elements: the ability to express a consistent choice, understand the relevant medical information, appreciate how the situation and its consequences apply to oneself, and reason through the options. This patient expresses a choice and understands the factual risk of death, but she clearly fails the 'appreciation' component due to her delusional belief in a 'magical energy shield.' Because she cannot appreciate the true danger to herself, she lacks clinical capacity. In the absence of an advance directive or designated healthcare proxy, the legally married spouse is the highest priority surrogate decision-maker and can authorize continued, necessary medical treatment.

Step-by-Step Solution

1
Assess the patient's ability to express a choice and understand the medical situation.
The patient clearly states she wants to go home and understands the physician's warning about the risk of death.
These are the first two required pillars of decision-making capacity.
2
Evaluate the patient's appreciation of the consequences as they apply to her.
The patient believes a 'magical energy shield' makes it impossible for her to die, demonstrating a lack of appreciation.
Appreciation requires the patient to recognize how the medical facts apply to their own specific reality, free from delusions.
3
Determine the appropriate legal surrogate since the patient lacks capacity.
The husband is present and legally serves as the surrogate decision-maker.
When a patient lacks capacity, medical decisions fall to the designated healthcare proxy or the legal next of kin (typically the spouse).

Key Concept

Patients who fail to appreciate the consequences of their medical condition due to delusions lack decision-making capacity, requiring physicians to consult the surrogate hierarchy.
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Topics

Decision-Making Capacity

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