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Difficulty: MediumMedical Errors and Malpractice

A 50-year-old woman is admitted to the hospital with a left lower extremity deep vein thrombosis. She is started on a therapeutic unfractionated heparin infusion. According to the hospital's anticoagulation protocol, the patient's partial thromboplastin time (PTT) must be monitored every 6 hours to titrate the infusion rate. Due to an oversight during the evening nursing shift handoff, the 8:00 PM PTT is not drawn, and the heparin infusion rate remains unchanged. At 1:00 AM, the patient develops sudden-onset, severe dyspnea and pleuritic chest pain. A CT pulmonary angiogram confirms an acute pulmonary embolism. A stat PTT is immediately drawn and is found to be significantly subtherapeutic. The patient is transferred to the intensive care unit, where she is stabilized. The attending physician is preparing to discuss these events with the patient the following morning.

Which of the following is the most appropriate approach for the physician during this conversation?

  1. Inform the patient about the missed laboratory test, explain its role in the subtherapeutic anticoagulation, and describe the institutional steps being taken to prevent recurrenceAnswer
  2. B
    Withhold information about the missed laboratory draw and focus solely on treating the pulmonary embolism, as disclosing the error is not a state-mandated reporting requirement
  3. C
    Apologize for the clinical deterioration and explicitly state that the nursing staff's failure to follow the handoff protocol was the direct cause of the adverse event
  4. D
    Disclose the error to the patient but suggest that her lack of medical competence limits her ability to fully understand the complexities of heparin titration
  5. E
    Inform the patient of the event and invite her to participate in a Failure Mode and Effects Analysis to prospectively evaluate the hospital's lab-draw protocols

Answer

Inform the patient about the missed laboratory test, explain its role in the subtherapeutic anticoagulation, and describe the institutional steps being taken to prevent recurrence
The correct approach aligns with the American Medical Association (AMA) Code of Medical Ethics and standard malpractice risk management guidelines. When a medical error results in patient harm (in this case, a missed PTT draw leading to subtherapeutic heparin and a subsequent pulmonary embolism), the physician is ethically obligated to fully disclose the event. A proper disclosure includes acknowledging the specific error, explaining how it affected the patient's clinical course in accessible language, offering a sincere apology, and outlining the systems-based changes (e.g., Root Cause Analysis findings, protocol updates) being implemented to prevent future recurrences.

Step-by-Step Solution

1
Identify the nature of the adverse event.
A medical error (missed lab draw) led to subtherapeutic anticoagulation, which proximately caused a preventable complication (pulmonary embolism).
Determining whether an error caused harm is the first step in deciding the scope and necessity of the required disclosure.
2
Apply the ethical principles of medical error disclosure.
The physician has a professional duty to provide full transparency regarding the error, its consequences, and corrective actions.
Ethical guidelines mandate that patients be informed of all medical errors that result in patient harm.
3
Determine the appropriate communication strategy for the disclosure.
The disclosure should be objective, avoid blaming specific individuals, and focus on systems-based improvements.
Blaming individuals undermines trust and violates the principles of a just safety culture, which emphasizes systems-level accountability.

Key Concept

Full disclosure of medical errors causing patient harm is an ethical imperative and must include an explanation of the event, its consequences, and systems-based preventive measures without inappropriately shifting individual blame.
Estimated Time:1m 30s
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Topics

Medical Errors and Malpractice

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