In the OET Medicine sub-test, managing a consultation regarding chronic medication requires a delicate balance of technical accuracy and empathetic communication. This guide provides a comprehensive breakdown of an OET medicine speaking warfarin therapy and inr monitoring scenario, featuring a high-scoring Grade B model answer to help you refine your approach.

Role-Play Card

Setting: Anticoagulation Clinic
Profession: Medicine
Patient: Mr Davies, a 70-year-old male, has recently been diagnosed with Atrial Fibrillation (AF). His cardiologist has prescribed Warfarin to prevent strokes. He is attending the clinic for his initial education session.
Task:
1. Explain why Warfarin is necessary for his condition (AF).
2. Explain the concept of INR monitoring and why regular blood tests are essential.
3. Discuss dietary considerations, specifically the intake of green leafy vegetables (Vitamin K).
4. Address the patient’s concerns regarding bleeding risks and when to seek medical attention.

Sample Role-Play Dialogue

Candidate: Good morning, Mr Davies. I’m Dr. Smith, one of the physicians here at the anticoagulation clinic. I understand your cardiologist has started you on a medication called warfarin for your atrial fibrillation. How are you feeling about starting this new treatment?

Interlocutor (Mr Davies): To be honest, Doctor, I’m a bit overwhelmed. I’ve heard warfarin is actually rat poison, and I’m worried about bleeding to death if I just cut myself shaving. Is it really necessary?

Candidate: I can certainly understand why that would be concerning. It’s a common myth, but let’s clear that up. While the chemical is used in different ways elsewhere, in medicine, we use it very precisely to prevent life-threatening complications. In your case, because of the atrial fibrillation—that irregular heartbeat you’ve been diagnosed with—blood can pool in the heart and form small clots. If one of those clots travels to the brain, it causes a stroke. Warfarin helps by “thinning” the blood, making it much less likely for those clots to form. Does that make sense so far?

Interlocutor (Mr Davies): I see. So it’s to prevent a stroke. But I heard I have to come in for blood tests all the time. My neighbor is here every week. Why is that?

Candidate: That’s a very important question, and it brings us to something called the INR, or International Normalized Ratio. Think of the INR as a scale that tells us exactly how “thin” your blood is. If the number is too low, the blood is still too thick, and you’re at risk of a stroke. If it’s too high, your blood is too thin, and you might bleed too easily. For your condition, we want that number to stay between 2.0 and 3.0. Because things like diet and other medications can change this number, we need to check it regularly—initially perhaps once or twice a week—to make sure your dose is perfect for you. Once you are stable, those visits will become much less frequent.

Interlocutor (Mr Davies): Right, so the INR is like a speedometer for my blood. Now, what about food? My wife makes a lot of salads, and I heard I can’t eat greens anymore.

Candidate: That is a common misconception. You don’t need to stop eating greens like spinach or broccoli altogether. These vegetables contain Vitamin K, which actually helps the blood to clot—the opposite of what warfarin does. The key isn’t to avoid them, but to keep your intake consistent. If you suddenly eat a massive amount of salad one week and none the next, your INR levels will bounce around. So, feel free to enjoy your wife’s salads, just try to have a similar portion size each day. Does that sound manageable for you?

Interlocutor (Mr Davies): Yes, consistency. I can do that. But what about the bleeding? What if I have an accident?

Candidate: It’s vital to be aware of that. While on warfarin, you might notice you bruise a bit more easily or that a small cut takes a little longer to stop bleeding. This is normal. However, there are “red flags” you should watch out for. If you notice blood in your urine, very dark or “tarry” stools, or if you have a nosebleed that won’t stop after ten minutes, you must seek medical attention immediately. Also, if you ever have a significant fall or hit your head, please go to the emergency department, even if you feel fine, just so we can check for any internal bleeding. How do you feel about monitoring for those signs?

Interlocutor (Mr Davies): It’s a lot to remember, but I think I understand the risks now. I just need to be careful.

Candidate: You’re doing great, Mr Davies. To help you out, I’m going to give you this “Yellow Book.” It’s a dedicated record for your INR results and has all the safety information we discussed today. I’d also like to check—are you taking any other medications or herbal supplements currently? Some things, like aspirin or even St. John’s Wort, can interfere with how warfarin works.

Interlocutor (Mr Davies): I take some ibuprofen for my back sometimes. Is that okay?

Candidate: I’m glad you mentioned that. Actually, ibuprofen is something we advise against while on warfarin because it can increase the risk of stomach bleeding. I’d recommend using paracetamol for pain instead. I’ll make a note of that in your file. Do you have any other questions for me today?

Interlocutor (Mr Davies): No, I think that covers it for now. Thank you, Doctor.

Candidate: You’re very welcome. We’ll see you back here on Thursday for your first blood test. If you think of anything else in the meantime, don’t hesitate to call the clinic.

Why This Scores Grade B

To achieve a Grade B or higher, candidates must demonstrate proficiency across nine specific criteria. This performance is evaluated by two independent assessors. For a deeper understanding of scoring, you can refer to the OET Score Guide.

Linguistic Criteria

1. Intelligibility

The candidate speaks clearly and uses appropriate word stress on key medical terms like “anticoagulation” and “fibrillation.” The pronunciation is easy to follow, and the intonation conveys professional concern rather than a robotic delivery.

2. Fluency

The speech flows naturally without excessive hesitation. Pauses are used strategically to allow the patient to process information, such as after explaining the “INR scale.” This mirrors real-world clinical practice where rushing can lead to patient confusion.

3. Appropriateness

The candidate maintains a professional yet accessible tone. They avoid overly technical jargon unless they define it immediately, ensuring the language is suited to a 70-year-old patient. A great example is using the phrase “thinning the blood” to explain a complex physiological process.

4. Resources of Grammar and Expression

The candidate uses a range of grammatical structures accurately, including conditional sentences like “If the number is too low, the blood is still too thick.” The vocabulary is varied, utilizing essential phrases to transition between different topics smoothly.

Clinical Communication Criteria

1. Relationship Building

The candidate begins by validating the patient’s fears. By saying, “I can certainly understand why that would be concerning,” they establish rapport and show empathy, which is a core requirement of the GMC’s standards for patient-centered care.

2. Understanding and Incorporating the Patient’s Perspective

Instead of dismissing the “rat poison” comment, the doctor addresses it directly. They also check in with the patient frequently, asking “Does that make sense so far?” to ensure the patient is following the explanation.

3. Providing Structure

The consultation is logically organized. The candidate uses signposting to move from one topic to the next, such as “That brings us to something called the INR.” This helps the patient (and the assessor) follow the flow of the roleplay structure.

4. Information Gathering

The candidate doesn’t just lecture; they ask critical questions. Asking “Are you taking any other medications or herbal supplements?” is a vital part of the history-taking process that identifies a potential contraindication (ibuprofen).

5. Information Giving

Complex information is broken down into “chunks.” The explanation of Vitamin K and diet is handled expertly by using the concept of “consistency” rather than “avoidance,” which is much more practical for the patient to implement.

Key Vocabulary for This Scenario

Common Mistakes to Avoid

• Over-explaining the biochemistry: Don’t explain how warfarin inhibits Vitamin K epoxide reductase. Stick to the “thinning” metaphor.
• Ignoring the “Rat Poison” comment: If a patient mentions a fear or a myth, you must address it. Ignoring it loses points in “Relationship Building.”
• Failing to check for understanding: In a long explanation about INR, if you don’t pause to ask “How does that sound?” you may lose the patient’s attention.
• Using medical shorthand: Avoid saying “Your AF puts you at risk of a CVA.” Instead, say “Your irregular heartbeat puts you at risk of a stroke.”
• Rushing the safety talk: The “red flags” are the most important part of this role-play. Ensure you deliver them clearly and emphasize their importance.
• Not checking OTC meds: Many candidates forget to ask about Over-The-Counter (OTC) drugs like NSAIDs, which are critical in a warfarin scenario.

Practice Tips

1. Master the Metaphors: Practice explaining the INR using the “speedometer” or “thermostat” analogy. This demonstrates high-level communication skills by making abstract concepts concrete.
2. Use the 3-Minute Prep Time: During your preparation, underline the key tasks and think of your “opening gambit.” For more on this, see our guide on essential speaking strategies.
3. Simulate the Platform: From 31 July 2025, the Speaking sub-test will be conducted via OET’s own Speaking Platform. Practice using a headset and looking at a screen rather than a person to get used to the digital environment.
4. Record and Review: Record yourself performing this warfarin scenario. Listen back and check if you sound empathetic. Did you use “signposting” words like “Firstly,” “In addition,” and “Finally”?

Mastering the OET Speaking sub-test is about more than just medical knowledge; it is about demonstrating that you can safely and effectively communicate with patients in a high-stakes environment. By following the structure and techniques outlined in this warfarin scenario, you are well on your way to achieving a Grade B.

Ready to take your preparation to the next level? Explore our OET Speaking Role-play Practice course for personalized feedback and more model answers, or check our Reading Score Guide to ensure your other skills are equally sharp.