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BACKGROUND The classification of catatonia has fluctuated and underwent recent changes in DSM-5. The current study examines the prevalence of catatonia signs, estimates the utility of diagnostic features, identifies core catatonia signs, and explores their underlying structure. METHOD We screened 339 acutely ill medical and psychiatric patients with the(More)
BACKGROUND The presence of primitive reflexes (PRs) may have diagnostic or prognostic value in the evaluation of cognitive impairment. OBJECTIVE We hypothesized that the presence of preoperative PRs would predict the development of postoperative delirium and that the emergence of PRs postoperatively would be positively associated with the emergence of(More)
OBJECTIVE To describe 2 cases of encephalitis with neuropsychiatric symptoms including catatonia, compounded by neuroleptic use for delirious agitation culminating in malignant catatonia responsive to electroconvulsive therapy (ECT). BACKGROUND Neuropsychiatric symptoms including catatonia can be manifestations of limbic encephalitis and encephalitides of(More)
The care of patients who suffer from physical pain and a psychiatric illness is typically challenging because of the complex interplay of affective, behavioral, cognitive, and physical aspects of pain. Psychiatrists are often asked to evaluate patients with pain because of a concern for comorbid depression and anxiety, and fears of suicidality as a result(More)
Accor ding to DSM-IV-TR, a hallucination is " a sensory perception that has a compelling sense of reality of a true perception, but occurs without external stimulation of the relevant sensory organ. " Thus, an auditory hallucination is a false perception of sound. These are the most common forms of hallucinations (1). Auditory hallucinations are found most(More)
OBJECTIVES Thiamine deficiency is a potentially dangerous sequela of alcohol use disorders (AUDs). European and British guidelines recommend administering high-dose parenteral thiamine 3 times daily to avoid consequences of thiamine deficiency such as Wernicke-Korsakoff syndrome (WKS), and suggest that traditional thiamine dosages are likely inadequate.(More)
BACKGROUND Wernicke-Korsakoff syndrome (WKS) is a well described syndrome of neurological and cognitive problems that comprises both Wernicke's encephalopathy (WE) and Korsakoff syndrome (KS). WE is an acute neuropsychiatric disorder caused by thiamine deficiency. KS is a chronic consequence of thiamine deficiency with prominent impairment in memory(More)
Psychogenic pseudosyncope (PPS) is the appearance of transient loss of consciousness (TLOC) in the absence of true loss of consciousness. Psychiatrically, most cases are classified as conversion disorder, which is hypothesized to represent the physical manifestation of internal stressors. The incidence of PPS is likely under-recognized and the disorder is(More)
Ziprasidone is an atypical antipsychotic with a unique receptor-binding profile. Currently, ziprasidone is approved by the US Food and Drug Administration for the acute treatment of psychosis in schizophrenia and mania in bipolar disorder. When compared to certain other atypical antipsychotics, ziprasidone appears to have a relatively benign side effect(More)