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advancedfactitious disorderMunchausen by proxypediatric assessmentconsultation-liaisonpattern recognition
A PMHNP in a pediatric consultation-liaison role is asked to evaluate the mother of a 6-year-old boy who has been hospitalized 8 times in the past 18 months for recurrent episodes of lethargy, vomiting, and hypoglycemia that resolve spontaneously during hospitalization. Extensive medical workups have been negative. The boy's symptoms consistently occur when he is alone with his mother and resolve within hours of hospital admission. The mother is described by nursing staff as 'extremely knowledgeable about medical conditions,' maintains a detailed binder of his medical records, appears comfortable in the hospital environment, and has requested transfers to academic medical centers for further evaluation. The boy's father, who is separated from the mother, reports the child has no symptoms during his custody time. Which assessment finding pattern is most consistent with factitious disorder imposed on another?
Explanation
Assessment for factitious disorder imposed on another relies on recognizing the convergence of circumstantial evidence: unexplained objective medical findings, symptoms correlating exclusively with one caregiver's unsupervised access, resolution upon separation or supervised contact, absence of symptoms with alternate caregivers, and characteristic caregiver behavioral patterns. No single finding is independently diagnostic, and the assessment requires careful pattern recognition across multiple domains.
Key Takeaway
Factitious disorder imposed on another is identified through the convergence of temporal symptom-caregiver correlation, symptom resolution upon separation, unexplained objective medical findings despite thorough workup, and absence of symptoms with alternate caregivers — no single finding is diagnostic in isolation.