Examkin

Question

Difficulty: MediumEnd-of-Life and Palliative Care

An 83-year-old woman with advanced Alzheimer dementia is transported to the emergency department from a residential care facility due to worsening respiratory distress and hypotension. Upon arrival, she is obtunded and found to have septic shock secondary to aspiration pneumonia. The emergency physician determines that she lacks the capacity to make medical decisions.

The patient's estranged son arrives shortly after and insists that the medical team initiate vasopressor support and mechanical ventilation, stating, "I am her only child and I have the right to dictate her care." Minutes later, the patient's long-time neighbor arrives bearing a legally executed durable power of attorney for healthcare, signed seven years ago, which clearly designates the neighbor as the sole healthcare proxy. The neighbor requests that the patient receive comfort measures only, reflecting conversations they had prior to the patient's cognitive decline.

The son becomes furious and argues, "She was already showing signs of memory loss seven years ago, so that document is completely invalid! I want a psychiatrist to review her records immediately to prove she didn't know what she was doing."

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

  1. A
    Initiate vasopressors and mechanical ventilation, as directed by the son.
  2. B
    Consult psychiatry to retrospectively determine the patient's capacity at the time the proxy document was signed.
  3. Institute comfort measures only, as directed by the neighbor.Answer
  4. D
    Provide full life-sustaining treatment while awaiting formal ethics committee mediation.
  5. E
    Admit the patient to the intensive care unit and seek an emergency court injunction to establish legal guardianship.

Answer

Institute comfort measures only, as directed by the neighbor.
The correct answer is to institute comfort measures only, as directed by the neighbor. When a patient lacks clinical decision-making capacity, medical professionals must identify the appropriate surrogate decision-maker. A legally designated healthcare proxy (via a durable power of attorney for healthcare) explicitly represents the patient's chosen surrogate and supersedes the default state-mandated next-of-kin hierarchy. Therefore, the neighbor's directive has absolute priority over the son's demands. Furthermore, the son's challenge regarding his mother's cognitive state seven years ago involves 'legal competence.' While physicians assess 'clinical capacity' for current medical decisions, they cannot retrospectively determine legal competence to invalidate a legal document. Unless a judge has formally ruled the document invalid, the physician is legally and ethically bound to presume its validity and honor the designated proxy's decisions.

Step-by-Step Solution

1
Identify the patient's current clinical decision-making capacity.
The patient is obtunded and clearly lacks the capacity to make her own medical decisions.
When a patient lacks capacity, the medical team must identify the appropriate surrogate decision-maker.
2
Determine the legal surrogate decision-maker based on the established hierarchy.
The neighbor is the legally designated healthcare proxy via a valid durable power of attorney for healthcare.
A legally appointed healthcare proxy supersedes biological relatives (next-of-kin) in the surrogate hierarchy.
3
Evaluate the son's demand for a retrospective psychiatric capacity assessment.
The demand should be respectfully declined.
Physicians assess current 'clinical capacity'. The validity of a previously signed legal document involves 'legal competence', which is a judicial matter. The document must be presumed valid unless overturned by a court.
4
Implement the appropriate medical management plan.
The medical team follows the neighbor's directive to provide comfort measures only.
The valid proxy's decision carries the same legal and ethical weight as the patient's autonomous decision.

Key Concept

A legally designated healthcare proxy supersedes next-of-kin. Additionally, challenges to a patient's legal competence at the time of signing a directive are judicial, not clinical, matters.
Rate this question

Topics

End-of-Life and Palliative Care

More questions from this topic