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Related Concept Videos

Narcolepsy01:07

Narcolepsy

179
Narcolepsy is a chronic sleep disorder characterized by pervasive, uncontrolled sleepiness and other sleep disturbances. One of its hallmark symptoms is an abrupt transition to REM sleep upon falling asleep, which causes symptoms typically associated with this phase to occur unexpectedly during wakefulness. These include the following symptoms, which typically last from a minute or two to half an hour.
179
Positive Symptoms of Schizophrenia: Hallucinations and Delusions01:30

Positive Symptoms of Schizophrenia: Hallucinations and Delusions

201
Schizophrenia is a complex mental health disorder that can manifest with various positive symptoms, including thought, movement, and behavior disorders. These symptoms significantly disrupt cognitive and motor functions, leading to profound effects on an individual's ability to engage with the world.
Thought Disorders
Disorganized and unusual thought processes mark thought disorders in schizophrenia. One key feature is disorganized speech, where an individual's conversation includes...
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REM Sleep Behavior Disorder01:15

REM Sleep Behavior Disorder

336
REM Sleep Behavior Disorder (RBD) is a sleep disorder characterized by the absence of muscle paralysis that normally occurs during the REM phase of sleep. This absence allows individuals to physically act out their dreams, which are often vivid and disturbing. Common behaviors exhibited during episodes include kicking, punching, and yelling. These actions can be dangerous, potentially leading to injuries for the person with RBD or their bed partner.
RBD is significantly associated with...
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Seizures: Classification01:13

Seizures: Classification

530
Epilepsy is primarily characterized by unpredictable seizures, either provoked by an identifiable factor, such as injury or illness, or unprovoked, occurring spontaneously without apparent cause.
Seizures are typically classified into two main categories: focal and generalized seizures.
Focal Seizures
Focal seizures originate from specific regions of the brain. These seizures are further sub-classified into two types:
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[Acute catatonia].

Sebastian Karl1, Carlos Schönfeldt-Lecuona2, Dusan Hirjak3

  • 1Zentralinstitut für Seelische Gesundheit, Klinik für Psychiatrie und Psychotherapie, Medizinische Fakultät Mannheim, Universität Heidelberg, J5, 68159, Mannheim, Deutschland. sebastian.karl@zi-mannheim.de.

Der Nervenarzt
|November 23, 2022
PubMed
Summary
This summary is machine-generated.

Catatonia, a serious psychomotor syndrome, is often underdiagnosed. Prompt treatment with benzodiazepines and electroconvulsive therapy (ECT) significantly improves outcomes, especially for malignant catatonia.

Keywords:
BenzodiazepinesCatatoniaElectroconvulsive therapyMalignant catatoniaNeuroleptic malignant syndrome

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Area of Science:

  • Psychiatry
  • Neurology

Context:

  • Catatonia is an underdiagnosed psychomotor syndrome associated with various medical and psychiatric conditions.
  • Malignant catatonia poses significant risks in intensive care settings, yet lacks clear guideline recommendations.
  • Prevalence rates indicate catatonia affects 9-17% of psychiatric inpatients and 3.3% of neurological patients.

Purpose:

  • To review the current diagnostic and treatment strategies for catatonia, with a specific focus on malignant catatonia.
  • To highlight the importance of early recognition and intervention for catatonic syndromes.

Summary:

  • Pharmacological treatment with lorazepam is recommended for catatonia.
  • Electroconvulsive therapy (ECT) is highly effective, with response rates of 80-100%, and should be considered early, particularly for benzodiazepine-resistant cases.
  • Malignant catatonia requires immediate ECT as an emergency indication due to its high mortality rate (approximately 50% if untreated).

Impact:

  • Early diagnosis and combined treatment with benzodiazepines and ECT improve patient outcomes.
  • Recognizing malignant catatonia as a medical emergency can save lives.
  • This review aims to inform clinical practice and reduce the underdiagnosis of catatonia.