Treatment options and informed consent

Why examiners ask this

Consent is the most common conversation an anesthesiologist has and the one most often done badly: rushed, full of jargon, and framed as a signature rather than a decision. The station tests whether I can explain an anesthetic option to a lay person, present the real alternatives, give risks in proportion, and leave the patient with a choice that is informed and free. The grader is not scoring my knowledge of block complications; the written exam did that. The grader is scoring seven observable behaviors from the published content outline.¹ The ABA sample is typical: a 68-year-old with COPD for rotator cuff repair, worried about pain, with general and regional both on offer, verbal consent sufficient, and an instruction not to repeat the history and physical.²

The 60-second answer

Decision points and the "why"

• Show concern for the patient — I ask about worries and acknowledge them before any medical content. The checklist scores it because a frightened patient does not hear risk information.
• Explain the indication — why this option for this patient and this surgery: "A nerve block numbs your shoulder, so you need much less opioid after surgery." The indication turns a procedure into a reason.
• Describe the conduct in lay terms — what happens, in order, from their point of view: the IV, the sedation, lying on their side, the pressure of the needle, numbness. Patients consent to experiences, not procedures.
• Give common and mild risks, then rare and severe — the outline asks for both the less severe, more common and the more severe, less common risks.¹ For a spinal: low blood pressure, itching, nausea, then headache about 1 to 2 in 100 even with a fine pencil-point needle,³ and serious nerve damage, including bleeding around the spine, roughly 1 in 20,000 to 30,000.⁴ Proportion matters as much as completeness.
• Explain risk mitigation — ultrasound guidance, a small pencil-point needle, holding blood thinners on a set schedule, monitoring throughout. Mitigation is what makes the numbers bearable and shows the patient I own the risk.
• Elicit questions — "What questions do you have?" rather than "Any questions?" The open form signals that questions are expected and earns the behavior.
• Confirm an uncoerced decision — "This is your choice; general anesthesia is a safe alternative and I am comfortable with either." The checklist scores a final decision and affirmative consent without coercion explicitly.¹

The complication they will inject

The standardized patient refuses: "My cousin was paralyzed by an epidural. I'm not letting anyone near my spine." I do not argue and I do not recite statistics louder. I acknowledge: "That sounds frightening, and it makes sense you'd be worried." I ask what happened, because the story often holds a misunderstanding I can address. I give the real number once, calmly, and explain the difference between their cousin's situation and theirs if there is one. Then I return the decision: "If you'd rather not have a spinal, we'll do a general anesthetic, which is also safe. Let me tell you what that involves." The scored behavior is respect for the refusal. Variants include the patient who asks "What would you do?" (I answer honestly with my reasoning, then return the decision) and the patient who wants no information (I respect it, confirm they understand the nature of the procedure, and document).

Pitfalls that cost points

• Leading with the consent form instead of the conversation.
• Listing every possible complication with equal weight, or omitting the serious rare ones.
• Jargon: "hypotension," "post-dural puncture headache," "neuraxial."
• Offering no alternative, which turns consent into permission.
• Pressuring the reluctant patient; persuasion past one honest recommendation is coercion.

Rapid-why

Q: How do I phrase a 1-in-10,000 risk? A: "If ten thousand people had this, about one would have that problem; it is very rare, and here is what I do to prevent it."

Q: Do I give my recommendation? A: Yes, once, with the reason, and then I state clearly that the alternative is acceptable and the choice is theirs.

Q: How do I check understanding? A: Teach-back: "So I know I explained it well, can you tell me in your own words what we'll do tomorrow?"

Q: What if the patient speaks limited English? A: I use a certified medical interpreter, not a family member, and speak to the patient, not the interpreter.

Numbers to know

Links

• OSCE day: stations, timing, who is in the room, Ethical issues: DNR, capacity, surrogates, refusal, Disclosing a peri-procedural complication or error, Spinal anesthesia: dosing, spread, hypotension, Interscalene block and its complications
• ASA Guidelines for the Ethical Practice of Anesthesiology; ASA Statement on Informed Consent for Anesthesiology Care