Why it fits
Days-to-weeks progression, confusion, catatonia, seizure, dyskinesia, autonomic instability
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Days-to-weeks progression, confusion, catatonia, seizure, dyskinesia, autonomic instability
Seizures, reduced consciousness, catatonia, movement disorder, autonomic instability, hyponatraemia.
Inattention and fluctuation dominate. Psychotic content is often fragmented or changeable.
Separates the Psychosis / First-Episode Medical Psychosis group. It is not specific to Autoimmune encephalitis.
Applies to the Psychosis / First-Episode Medical Psychosis group — not specific to Autoimmune encephalitis
Rows marked “Whole group”: Applies to the Psychosis / First-Episode Medical Psychosis group — not specific to Autoimmune encephalitis
Days-to-weeks progression, confusion, catatonia, seizure, dyskinesia, autonomic instability
Seizures, reduced consciousness, catatonia, movement disorder, autonomic instability, hyponatraemia.
Applies to the Psychosis / First-Episode Medical Psychosis group.
Inattention and fluctuation dominate. Psychotic content is often fragmented or changeable.
Applies to the Psychosis / First-Episode Medical Psychosis group.
In older or medically unwell patients, assume delirium until proved otherwise Cannabis and stimulants can closely mimic primary psychosis Reassess once partially cleared Escalate early to medical/neurology review if red flags are present Consider MRI, EEG, CSF, and autoimmune testing when the syndrome is atypical Clarify positive symptoms, negative symptoms, cognition, and functional trajectory
Applies to the Psychosis / First-Episode Medical Psychosis group.
Neuroimaging (CT/MRI), EEG, Lumbar puncture / CSF studies
Applies to the Psychosis / First-Episode Medical Psychosis group.
None listed
Clinical reference — not validated decision support. Review before use.