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Difficulty: MediumPersonality Disorders

A 23-year-old woman is evaluated in the emergency department after sustaining superficial lacerations to her left forearm. She reports that she cut herself with a razor blade because she felt 'empty' after her romantic partner of three weeks stopped returning her text messages. She describes her partner as 'the only person who has ever truly understood my soul.' The patient's medical history is significant for multiple previous emergency visits for similar behaviors, as well as a diagnosis of treatment-resistant atypical depression for which she currently takes tranylcypromine. While in the department, she is highly cooperative with the attending physician but frequently yells at the nursing staff, claiming they are 'incompetent and cruel.' When asked for emergency contacts, she provides her partner's phone number but explicitly states, 'Do not tell him I am here or why I am here.'

Which of the following interventions are appropriate in the management of this patient? (Select all that apply)

  1. Ensure all care team members adhere to a unified, consistent treatment plan with clear behavioral limits.Answer
  2. Provide a referral for a structured psychotherapy program focused on distress tolerance and emotion regulation skills.Answer
  3. C
    Prescribe citalopram to help alleviate her feelings of emptiness and mood reactivity.
  4. D
    Contact the patient's romantic partner to gather collateral information regarding her baseline functioning.
  5. E
    Treat her affective instability as an acute episode of bipolar depression by initiating escitalopram monotherapy.

Answer

The correct interventions are to ensure all care team members adhere to a unified, consistent treatment plan with clear behavioral limits, and to provide a referral for a structured psychotherapy program focused on distress tolerance and emotion regulation skills.
The patient's presentation of chronic emptiness, non-suicidal self-injury, intense but unstable relationships, and idealization/devaluation of the hospital staff (splitting) is highly characteristic of borderline personality disorder (BPD). The primary non-pharmacologic treatment for BPD is dialectical behavior therapy (DBT), which teaches distress tolerance, emotion regulation, and interpersonal effectiveness skills. Furthermore, patients with BPD frequently employ splitting as a defense mechanism, consciously or unconsciously turning staff members against one another. Therefore, it is critical to ensure that all care team members adhere to a unified, consistent treatment plan with clear behavioral boundaries.

Step-by-Step Solution

1
Analyze the patient's clinical presentation and history to determine the primary diagnosis.
The patient exhibits emotional lability, chronic feelings of emptiness, non-suicidal self-injury (superficial lacerations), intense but unstable relationships, and idealization/devaluation of the hospital staff.
These features meet the diagnostic criteria for borderline personality disorder (BPD) and demonstrate active use of splitting.
2
Evaluate the appropriate non-pharmacologic interventions for BPD.
Dialectical behavior therapy (DBT), which focuses on distress tolerance and emotion regulation, is the standard first-line treatment. Additionally, managing the patient's splitting behavior requires a unified team approach and consistent boundaries.
Psychotherapy is the cornerstone of BPD management, and consistent limits prevent the patient from successfully dividing and manipulating the healthcare team.
3
Evaluate the proposed pharmacologic and ethical actions in the distractors.
Adding an SSRI (citalopram) is contraindicated due to her current MAOI use (tranylcypromine). Breaching confidentiality is unjustified as there is no imminent danger to her partner. Misdiagnosing her as having bipolar depression and using SSRI monotherapy risks a manic switch and fails to address the underlying personality disorder.
Patient safety requires avoiding dangerous drug-drug interactions (serotonin syndrome) and respecting patient autonomy when legal exceptions for breaching confidentiality are not met.

Key Concept

The management of Borderline Personality Disorder requires Dialectical Behavior Therapy (DBT) and the prevention of staff splitting through strict, unified team boundaries, while maintaining ethical confidentiality and avoiding hazardous drug interactions.
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Topics

Personality Disorders

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