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Psychiatric Manifestations of Medical and Neurological Conditions. Anthony P. Weiss, M.D., M.Sc. Massachusetts General Hospital. Questions for Discussion. What are the psychiatric manifestations of medical & neurological conditions? What conditions can cause these psychiatric manifestations?
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Psychiatric Manifestations of Medical and Neurological Conditions Anthony P. Weiss, M.D., M.Sc. Massachusetts General Hospital
Questions for Discussion • What are the psychiatric manifestations of medical & neurological conditions? • What conditions can cause these psychiatric manifestations? • What is the role of the C/L psychiatrist in managing these patients?
Questions for Discussion • What are the psychiatric manifestations of medical & neurological conditions? • What conditions can cause these psychiatric manifestations? • What is the role of the C/L psychiatrist in managing these patients?
Karte des menschlichen GehirnsKorbinian Brodmann (1868-1918)
ABC’s of C/L Psychiatry • Affective • Depressed or elevated mood, anxiety, irritability • Behavioral • Amotivation, insomnia, anorexia • Agitation, hypersexuality, wandering • Cognitive • Changes in memory, language, executive skills • Changes in thought content:delusions or hallucinations
Questions for Discussion • What are the psychiatric manifestations of medical & neurological conditions? • What conditions can cause these psychiatric manifestations? • What is the role of the C/L psychiatrist in managing these patients?
Vascular • Infarction • Intracerebral hemorrhage • Vasculitides
Vascular: Infarction • Affective • Depression • Affective incontinence • Behavioral • Cognitive • Aphasia, anosognosia • Multi-infarct dementia
Post-stroke DepressionRisk Factors • Infarct location (left frontal pole) • Infarct size • Subcortical atrophy • Prior history of depression • Family history of depression • Lack of social support
Vascular: Infarction • Affective • Depression • Affective incontinence • Behavioral • Cognitive • Aphasia, anosognosia • Multi-infarct dementia
Infectious • Viral • Bacterial • Fungal • Protozan • Prion
Infectious: Neurosyphilis 1° = chancre 2° = rash 3° = late sequelae 10-20 years • Tabes Dorsalis • Sharp pain in legs • Ataxia • Charcot joints • General Paresis • Pupillary changes • Tremor • Slurred speech
Infectious: Neurosyphilis • Affective • Depression, euphoria, anxiety • Personality changes • Behavioral • Disinhibition • Cognitive • Memory impairment, loss of insight • Delusions and hallucinations
Neoplastic • Primary CNS • Metastases within CNS parenchyma • Paraneoplastic syndromes
Neoplastic: Limbic Encephalitis • Affective • Depression and anxiety (esp. early in course) • Behavioral • Cognitive • Memory impairment • Hallucinations
Metabolic • Nutritional • Electrolyte • Endocrinopathies • Organ failure
MetabolicStandard Assessment • Vitamin B12 • “Chem 7” • Na+ level • BUN/Cr • Glucose • Arterial blood gas • Liver function tests and ammonia level • TSH
Traumatic • Subdural hematoma • Concussive syndromes
Paroxysmal • Complex partial epilepsy • Transient global amnesia • Post-ictal confusion • Complex migraine • Acute intermittent porphyria • Catatonia • Neuroleptic malignant syndrome
Seizures Generalized Partial Absence Grand Mal Complex Simple
Psychiatric Sequelae of Epilepsy • Pre-ictal (aura) • Ictal • Post-ictal • Depression • Psychosis • Personality
TLE PersonalityFrom Bear and Fedio, 1977 Emotionality Mania Depression Guilt Humorlessness Altered sexual interest Aggression Anger and hostility Hypergraphia Religiosity Philosophical interest Sense of personal destiny Hypermoralism Dependency Paranoia Obsessionalism Circumstantiality Viscosity
Pharmacologic/Toxicologic • Alcohol • Illicit drugs • Medications • CO Poisoning • Heavy metal poisoning
“Pseudodelirium” • Acute mania • Disorganized schizophrenia • Severe depression • Conversion disorder • Fugue states • Malingering
Degenerative • Parkinson’s disease • Huntington’s chorea • Wilson’s disease
Parkinson’s Disease • Affective • Depression • Anxiety • Behavioral • Insomnia • Cognitive • Bradyphrenia • Dementia (Lewy Body) • Delusions and hallucinations
Questions for Discussion • What are the psychiatric manifestations of medical & neurological conditions? • What conditions can cause these psychiatric manifestations? • What is the role of the C/L psychiatrist in managing these patients?
Role of the C/L Psychiatrist • Accurately describe the symptoms • Consider the potential perturbations • Assist in narrowing the differential • Assist in treating the symptoms and/or the underlying perturbation
Summary • What are the psychiatric manifestations of medical & neurological conditions? • What conditions can cause these psychiatric manifestations? • What is the role of the C/L psychiatrist in managing these patients?