Entity | Age | Trigger | Time course | Movement disorder phenomenology | Other neuro signs | Altered mental status | Autonomic instability |
---|---|---|---|---|---|---|---|
Dystonic storm | P | +/− | Hours-Days | Dystonia +/− chorea | − | − | + |
Choreic storm | P-YA | +/− | Hours-Days | Chorea | − | − | − |
Oculogyric crisis | All | +++ | Acute | Dystonia | Oculogyria | − | +/− |
Neuroleptic malignant syndrome | A | +++ | Days-Weeks | Parkinsonism | − | + | + |
Serotonin syndrome | All | +++ | Hours-Days | Myoclonus | − | + | + |
Lethal catatonia | All | +/− | Hours-Days | Parkinsonism | − | + | + |
Malignant hyperthermia | All | +++ | Acute | − | − | − | − |
Drug intoxication | All | +++ | Acute | − | Psychosis | + | +/− |
Intrathecal baclofen withdrawal | P-YA | +++ | Acute-Hours | − | − | + | + |
Delirium tremens | A | +++ | Acute | Myoclonus | Psychosis | + | + |
Autoimmune encephalitis (e.g. anti-NMDA) | P-YA | − | Days-Weeks | Chorea | Psychosis | + | + |