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Difficulty: MediumAdvance Directives and Surrogate Decision Making

A 62-year-old man with end-stage renal disease is brought to the emergency department by emergency medical services after his landlord found him confused and disheveled. The patient has missed his last two hemodialysis sessions. On evaluation, he is lethargic, oriented only to person, and exhibits asterixis. His blood pressure is 152/94152/94 mm Hg, pulse is 8686/min, and respirations are 1616/min. An electrocardiogram is unremarkable. Laboratory studies show a blood urea nitrogen of 115115 mg/dL, creatinine of 9.29.2 mg/dL, and potassium of 5.25.2 mEq/L. The attending physician determines that the patient lacks decision-making capacity due to uremic encephalopathy.

The nephrology service is consulted and recommends urgent hemodialysis within the next 12 hours. The patient has never been married, has no children, and his parents are deceased. His 32-year-old nephew arrives at the hospital and presents a notarized Financial Power of Attorney document. The nephew refuses hemodialysis on the patient's behalf, stating that his uncle has suffered enough. Shortly after, the patient's 68-year-old sister (the nephew's mother) arrives and demands that dialysis be initiated, asserting that her brother would want to live. The patient does not have a living will or a designated healthcare proxy.

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

  1. Obtain informed consent for hemodialysis from the patient's sister.Answer
  2. B
    Withhold hemodialysis in accordance with the nephew's refusal as the legal power of attorney.
  3. C
    Facilitate a family meeting to require a consensus decision between the sister and the nephew.
  4. D
    Delay hemodialysis until a court formally declares the patient to be legally incompetent.
  5. E
    Initiate hemodialysis immediately under the doctrine of emergency implied consent.

Answer

The physician should obtain informed consent from the patient's sister, as she is the highest-ranking available surrogate and the nephew's Financial Power of Attorney is invalid for healthcare decisions.
The correct action is to obtain consent from the sister. Because the patient lacks decision-making capacity and has no advance directive or healthcare proxy, the physician must rely on the statutory surrogate hierarchy. A Financial Power of Attorney grants authority over financial assets, not healthcare decisions, rendering the nephew's document irrelevant for this medical conflict. According to the standard surrogate hierarchy (spouse →\rightarrow adult children →\rightarrow parents →\rightarrow adult siblings), the patient's sister is the highest-ranking legal decision-maker. Therefore, her directive to initiate dialysis takes absolute precedence.

Step-by-Step Solution

1
Determine the patient's ability to consent.
The patient lacks clinical decision-making capacity due to uremic encephalopathy.
An incapacitated patient requires a legal surrogate to make medical decisions.
2
Evaluate the validity of presented legal documents.
The nephew holds a Financial Power of Attorney, which is deemed invalid for healthcare decisions.
Only a Durable Power of Attorney for Healthcare (Healthcare Proxy) grants medical decision-making rights.
3
Identify the highest-ranking surrogate based on the statutory hierarchy.
The sister is identified as the highest-ranking surrogate.
Standard legal hierarchy prioritizes spouses, then adult children, then parents, then adult siblings. Without a spouse, children, or parents, the adult sibling (sister) outranks other relatives like a nephew.

Key Concept

In the absence of a designated healthcare proxy, medical decisions fall to the statutory surrogate hierarchy. A Financial Power of Attorney provides no legal authority to make healthcare decisions.
Estimated Time:1m 15s
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Topics

Advance Directives and Surrogate Decision Making

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