Informed consent vs Surrogate decision making
How to tell Informed consent and Surrogate decision making apart when a board question makes them look alike.
Step 2 CK pairs are in open beta while clinical review finishes. Spot an issue? Tell us.
Demonstrated decision-making capacity is the single branch point between direct consent and surrogate consent.
Side by side
A patient who understands options, appreciates consequences, reasons consistently, and communicates a stable choice gives valid informed consent.
When decision-making capacity is absent, treatment decisions shift to the legally authorized surrogate using known patient wishes or best-interest standards.
Autonomy-based ethics require direct consent from a capacitated patient for nonemergent interventions.
Substituted judgment and best-interest principles guide care when the patient cannot make the decision personally.
Capacity is clinical rather than laboratory based; key elements are understanding of diagnosis and options, appreciation of personal consequences, reasoning about risks and benefits, and ability to express a choice.
Surrogate pathway is used when delirium, severe dementia, intoxication, or coma prevents capacity; legal hierarchy typically prioritizes appointed proxy, then spouse, adult children, parents, and siblings according to jurisdiction.
The trap
Clinicians sometimes confuse disagreement with incapacity. A capacitated patient can refuse recommended treatment, while an incapable patient requires surrogate involvement even if family disagrees internally.
The repair move
Next best step: document the patient capacity assessment and honor his informed refusal after confirming understanding and voluntariness. If capacity is absent, identify the legally authorized surrogate and proceed using documented patient preferences or best-interest judgment for time-sensitive care.
Try a free question
CoreA 63-year-old woman with stable angina declines coronary angiography after explaining the procedure, alternatives, and her concern about procedural stroke risk. She repeats the decision consistently over two interviews and is not delirious. What is the next best step in management?
Show answer and explanation
Answer: A. Respect refusal and document informed decision-making capacity. A capacitated patient’s informed refusal must be respected and documented.
Why the other choices are tempting
- B. Clinician preference does not override a competent patient’s autonomous choice.
- C. Court intervention is unnecessary when capacity is intact and no emergency exception applies.
- D. Surrogates are not used when the patient can decide herself.
- E. Proceeding under sedation without consent violates autonomy and legal standards.
Flashcards
Tap a card to flip it.
Which four abilities establish medical decision-making capacity for informed consent?
Understanding, appreciation, reasoning, and ability to express a consistent choice.
What event triggers transition from informed consent to surrogate decision making?
Loss of decision-making capacity for the specific medical choice triggers surrogate involvement.
Quick answers
What is the fastest way to tell Informed consent from Surrogate decision making?
Demonstrated decision-making capacity is the single branch point between direct consent and surrogate consent.
What is the key clue for Informed consent?
A patient who understands options, appreciates consequences, reasons consistently, and communicates a stable choice gives valid informed consent.
What is the key clue for Surrogate decision making?
When decision-making capacity is absent, treatment decisions shift to the legally authorized surrogate using known patient wishes or best-interest standards.
What is the common trap with Informed consent vs Surrogate decision making?
Clinicians sometimes confuse disagreement with incapacity. A capacitated patient can refuse recommended treatment, while an incapable patient requires surrogate involvement even if family disagrees internally.