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Presentation comparison
Urgent3 of 5 diagnoses compared
| CriteriaComparison detail | Perinatal OCDEmergency |
|---|
Separates perinatal intrusive thoughts from postpartum psychosis and genuine harm intent.
Clinical reference — not validated decision support. Review before use.
| Postpartum psychosisEmergency |
|---|
| Psychotic depression with infant-harm delusionsUrgent |
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| Genuine violentUrgentNot selected |
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| PTSD after traumatic birthUrgentNot selected |
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| Why it fits | Unwanted, distressing, repetitive thoughts/images of harming baby, with checking/avoidance/rituals. Ego-dystonic, resisted, preserved insight | Rapid onset days-weeks after birth, severe sleep loss, confusion, bizarre beliefs, hallucinations. Psychotic/manic with impaired reality testing | Severe postpartum depression with guilt, nihilism, deserved-punishment ideas. Mood-congruent psychosis | Desire/plan/willingness to harm that is not merely feared or resisted. Ego-syntonic, grievance-based, with intention/preparation | Intrusive images, flashbacks, panic, derealisation, avoidance after traumatic birth. Trauma linkage and re-experiencing |
|---|---|---|---|---|---|
| What argues against | Applies to the whole presentationReview locally. | ||||
| Must-not-miss | Severe avoidance, hidden shame, comorbid depression, insomnia | Risk to mother and infant, suicide, infanticide, refusal of care | High suicide risk, food refusal, psychomotor retardation, catatonia | Immediate infant-safety or child-protection emergency. | |
| Bedside question | Applies to the whole presentationSeparates perinatal intrusive thoughts from postpartum psychosis and genuine harm intent. | ||||
| Immediate action | Applies to the whole presentationStabilise and reassess. | ||||
| Investigations | Applies to the whole presentationGuided by presentation. | ||||
| Mimics / overlap | Applies to the whole presentationReview overlap locally. | ||||
Scroll horizontally to review more candidate differentials. Clinical reference — not validated decision support. Review before use.
Review locally.
Separates perinatal intrusive thoughts from postpartum psychosis and genuine harm intent.
Stabilise and reassess.
Guided by presentation.
Review overlap locally.
Unwanted, distressing, repetitive thoughts/images of harming baby, with checking/avoidance/rituals. Ego-dystonic, resisted, preserved insight
Severe avoidance, hidden shame, comorbid depression, insomnia
Rapid onset days-weeks after birth, severe sleep loss, confusion, bizarre beliefs, hallucinations. Psychotic/manic with impaired reality testing
Risk to mother and infant, suicide
Severe postpartum depression with guilt, nihilism, deserved-punishment ideas. Mood-congruent psychosis
High suicide risk,
Safety first. Act early.
Create a concise comparison summary for documentation or handoff.
Source pending review
v10 | Local content only
Last updated: Pending review
Based on current selection
Create a concise comparison summary for documentation or handoff.
Source pending review
v10 | Local content only
Last updated: Pending review