A 56-year-old patient underwent PCI for STEMI involving the LAD artery and was started on dual antiplatelet therapy (DAPT). What is the most appropriate teaching regarding this therapy?

1. A

   Stop the medicines if you notice mild bruising.

2. B

   Discontinue the medicines once you feel better.

3. C

   Take both medicines exactly as prescribed.

4. D

   Take a double dose if you miss a dose.

Appeared in: AIIMS M.Sc. Nsg Entrance exam-2026

Explanation

• Dual antiplatelet therapy (DAPT) is the cornerstone of preventing stent thrombosis after a percutaneous coronary intervention (PCI).
• Stent thrombosis is an acute, life-threatening complication where a blood clot forms on the stent, causing a heart attack or sudden death.
• Strict adherence to the prescribed regimen without interruption is the most critical factor in preventing this complication.
• Patient education must emphasize that the benefits of preventing a heart attack far outweigh the risks of minor side effects like bruising.

Why Other Options Were Wrong

• Option A: Stopping DAPT for mild bruising is dangerous. The risk of a fatal stent thrombosis is much higher than the risk associated with minor bruising, which is an expected side effect.
• Option B: DAPT is a preventive measure, not a symptomatic treatment. Feeling 'better' does not eliminate the underlying risk of clot formation on the stent, which persists for many months.
• Option D: Taking a double dose significantly increases the risk of major bleeding. Patients should have clear instructions for a missed dose, which typically involves taking it as soon as remembered but never doubling up.

Related Visual

• Visual 1: Diagram - A clear illustration showing a coronary artery with a stent in place, and a separate image depicting a clot forming on the stent (stent thrombosis) to visually explain the risk.
• Visual 2: Infographic - A 'Do's and Don'ts' infographic for patients on DAPT, highlighting key points like 'Do take your medicine every day' and 'Don't stop without talking to your doctor'.

Clinical Relevance

• Nursing practice connection: Use the key finding related to Patient Education on Dual Antiplatelet Therapy (DAPT) to guide bedside assessment, documentation, and the next nursing action.
• Nurses are central to providing effective discharge education on DAPT. Using the 'teach-back' method is crucial to ensure the patient and their family understand the life-or-death importance of adherence.
• Non-adherence to DAPT is a leading cause of late stent thrombosis, a preventable event with high mortality. Clear, empathetic communication that addresses patient fears (like bleeding) is key to improving compliance.
• What if? The patient is scheduled for an elective dental procedure. The nurse should instruct the patient to inform the dentist about being on DAPT well in advance. The decision to temporarily pause therapy must be made in close consultation with the patient's cardiologist and is never decided by the patient alone.

How to Approach the Question

• First, identify the clinical context: a patient post-PCI for a STEMI (heart attack). This is a high-acuity situation where medication is critical for survival.
• Next, understand the purpose of the medication: DAPT prevents clots from forming on the new stent.
• Evaluate each option based on the principles of medication safety and the goal of DAPT.
• Option A (stopping for bruising) and B (stopping when feeling better) involve discontinuing a life-saving medication without medical advice, which is unsafe.
• Option D (doubling a dose) is a medication error that increases the risk of harm (bleeding).
• Option C (taking as prescribed) is the only option that supports the therapeutic goal and ensures patient safety. Therefore, it is the most appropriate instruction.

Concept Tested & Keywords

• Concept Tested: Patient Education on Dual Antiplatelet Therapy (DAPT)
• Stem keywords: PCI, STEMI, LAD artery, dual antiplatelet therapy, DAPT, patient teaching
• Lead-in keywords: most appropriate
• Clinical cues: The patient's history of a recent STEMI treated with PCI is a critical cue. This indicates a high-risk situation where preventing stent thrombosis is a top priority for survival.

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