Psychiatric diagnoses are currently categorized on a syndromic basis. The syndrome of
catatonia, however, remains in a diagnostic limbo, acknowledged predominantly as a subtype of …

Catatonia is a psychomotor syndrome that has been reported to occur in more than 10% of
patients with acute psychiatric illnesses. Two subtypes of the syndrome have been identified. …

Objective: Mitochondrial disorders are caused by gene mutations in mitochondrial or nuclear
DNA and affect energy-dependent organs such as the brain. Patients with psychiatric illness…

In a prospective open trial conducted on a general psychiatric ward, the authors diagnosed
catatonic syndrome 15 times in 12 patients over a 1-year period. These 12 patients …

Objective: The lack of generally accepted diagnostic criteria for neuroleptic malignant syndrome
(NMS) impedes research and clinical management of patients receiving antipsychotic …

METHOD A patient presenting with psychotic symptoms was referred to our psychiatry service
from the emergency department. We diagnosed her with underlying Addison’s disease. …

In a prospective study of 20 patients with NMS, those who received dantrolene (2 patients)
or bromocriptine (2 patients) or both (4 patients) tended to have a more prolonged course of …

Psychiatric disorders are a leading cause of morbidity and mortality, yet their underlying
pathophysiology remains unclear. Searches for a genetic cause of bipolar disorder, …

Although comorbid psychiatric illness is increasingly being recognized in patients with
mitochondrial disorders, there has been relatively little attention to psychiatric symptomatology as …

Tay-Sachs disease (a G M2 gangliosidosis) is an inherited neuronal storage disease that
can affect individuals across the age spectrum. Psychosis is reported in 30% to 50% of adult-…