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Presentation comparison
RoutineCovers autism, intellectual disability, ADHD, and coexisting psychiatric or catatonic presentations.
3 of 7 diagnoses compared
| CriteriaComparison detail | Autism spectrum disorderRoutine |
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Developmental onset and restricted/repetitive or sensory features are central.
Clinical reference — not validated decision support. Review before use.
| Intellectual disabilityRoutine |
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| Social anxiety disorderRoutine |
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| ADHDUrgentNot selected |
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| OCDRoutineNot selected |
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| Psychosis emerging on developmental baselineRoutineNot selected |
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| Autistic shutdownRoutineNot selected |
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| Why it fits | Lifelong social-communication differences, sensory sensitivity, restricted interests, routines | Lifelong global cognitive and adaptive limitations with support needs | Avoidance from fear of judgement, embarrassment, scrutiny | Lifelong inattention, impulsivity, disorganisation, frustration intolerance, emotional lability | Rituals, order, repetition resembling autism but intrusive and resisted | New hallucinations, delusions, deterioration in someone with autism/ID | Marked withdrawal, mutism, slowing, loss of skills after overload/stress |
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| What argues against | Applies to the whole presentationReview locally. | ||||||
| Must-not-miss | Burnout, shutdown, exploitation, missed psychosis superimposed on autism | Diagnostic overshadowing, abuse, unmet medical problems, missed delirium/psychosis | Severe avoidance, alcohol misuse, collapse in role functioning | Substance misuse, accidents, | |||
| Bedside question | Applies to the whole presentationDevelopmental onset and restricted/repetitive or sensory features are central. | ||||||
| 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.
Developmental onset and restricted/repetitive or sensory features are central.
Stabilise and reassess.
Guided by presentation.
Review overlap locally.
Lifelong social-communication differences, sensory sensitivity, restricted interests, routines
Burnout, shutdown, exploitation, missed psychosis superimposed on autism
Lifelong global cognitive and adaptive limitations with support needs
Diagnostic overshadowing, abuse,
Avoidance from fear of judgement, embarrassment, scrutiny
Severe avoidance, alcohol misuse,
Safety first. Act early.
Create a concise comparison summary for documentation or handoff.
Source pending review
v10 | Local content only
Last updated: Pending review
Open a selected differential to review its clinical record.
Based on current selection
Safety first. Act early.
Create a concise comparison summary for documentation or handoff.
Source pending review
v10 | Local content only
Last updated: Pending review
| Severe time burden, contamination fears, self-harm obsessions |
| Command voices, severe self-neglect, aggression, catatonia |
| Refusal of intake, dehydration, severe self-neglect, psychosis, catatonia, suicidality |