Opisthotonus: Difference between revisions

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= Opisthotonus =
{{SI}}
 
{{Infobox medical condition
[[File:Opisthotonus in a patient suffering from tetanus - Painting by Sir Charles Bell - 1809.jpg|thumb|right|Opisthotonus in a patient with meningitis.]]
| name            = Opisthotonus
 
| image          = [[File:Opisthotonus_in_a_patient_suffering_from_tetanus_-_Painting_by_Sir_Charles_Bell_-_1809.jpg]]
'''Opisthotonus''' or '''opisthotonos''' (from Ancient Greek: ὄπισθεν ''opisthen'', meaning 'behind', and τόνος ''tonos'', meaning 'tension') is a neurological condition characterized by extreme hyperextension and spasticity. In this state, an individual's head, neck, and spinal column enter into a pronounced arching or bridging position.
| image_size      = 250px
 
| alt            = Painting of a patient with opisthotonus
| caption        = Opisthotonus in a patient suffering from [[tetanus]]
| field          = [[Neurology]]
| symptoms        = Severe [[muscle spasm]]s, [[hyperextension]] of the back
| complications  = [[Respiratory failure]], [[aspiration pneumonia]]
| onset          = Sudden
| duration        = Variable
| causes          = [[Tetanus]], [[meningitis]], [[severe head injury]], [[cerebral palsy]]
| risks          = [[Infection]], [[trauma]]
| diagnosis      = Clinical evaluation, [[neurological examination]]
| differential    = [[Seizure disorder]], [[dystonia]], [[decerebrate posture]]
| treatment      = [[Muscle relaxant]]s, [[sedation]], [[antibiotics]] for infection
| medication      = [[Diazepam]], [[baclofen]], [[dantrolene]]
| prognosis      = Depends on underlying cause
| frequency      = Rare
}}
'''Opisthotonus''' or '''opisthotonos''' (from Ancient Greek: ὄπισθεν ''opisthen'', meaning 'behind', and τόνος ''tonos'', meaning 'tension') is a neurological condition characterized by extreme hyperextension and spasticity. In this state, an individual's head, neck, and spinal column enter into a pronounced arching or bridging position.
== Causes ==
== Causes ==
Opisthotonus can be caused by a variety of conditions, including:
Opisthotonus can be caused by a variety of conditions, including:
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* Neuroleptic malignant syndrome
* Neuroleptic malignant syndrome
* Certain metabolic disorders
* Certain metabolic disorders
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== Symptoms ==
== Symptoms ==
The primary symptom of opisthotonus is the extreme backward arching of the head, neck, and spine. Other symptoms may include:
The primary symptom of opisthotonus is the extreme backward arching of the head, neck, and spine. Other symptoms may include:
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* Difficulty breathing
* Difficulty breathing
* Pain
* Pain
== Diagnosis ==
== Diagnosis ==
Diagnosis of opisthotonus involves:
Diagnosis of opisthotonus involves:
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* Diagnostic imaging like MRI or CT scans
* Diagnostic imaging like MRI or CT scans
* Lumbar puncture, if meningitis is suspected
* Lumbar puncture, if meningitis is suspected
== Treatment ==
== Treatment ==
Treatment focuses on managing the underlying cause and may include:
Treatment focuses on managing the underlying cause and may include:
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* Supportive care for breathing and feeding difficulties
* Supportive care for breathing and feeding difficulties
* Physical therapy
* Physical therapy
== External Links ==
== External Links ==
* [https://www.ninds.nih.gov/Disorders/All-Disorders/Opisthotonos-Information-Page National Institute of Neurological Disorders and Stroke: Opisthotonos]
* [https://www.ninds.nih.gov/Disorders/All-Disorders/Opisthotonos-Information-Page National Institute of Neurological Disorders and Stroke: Opisthotonos]
* [https://rarediseases.info.nih.gov/diseases/10255/opisthotonos NIH: Rare Diseases - Opisthotonos]
* [https://rarediseases.info.nih.gov/diseases/10255/opisthotonos NIH: Rare Diseases - Opisthotonos]
[[Category:Neurological disorders]]
[[Category:Neurological disorders]]
[[Category:Symptoms and signs]]
[[Category:Symptoms and signs]]
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Latest revision as of 06:03, 8 April 2025

Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
Founder, WikiMD Wellnesspedia &
W8MD's medical weight loss NYC, sleep center NYC
Philadelphia medical weight loss and Philadelphia sleep clinics

Opisthotonus
Synonyms N/A
Pronounce N/A
Specialty N/A
Symptoms Severe muscle spasms, hyperextension of the back
Complications Respiratory failure, aspiration pneumonia
Onset Sudden
Duration Variable
Types N/A
Causes Tetanus, meningitis, severe head injury, cerebral palsy
Risks Infection, trauma
Diagnosis Clinical evaluation, neurological examination
Differential diagnosis Seizure disorder, dystonia, decerebrate posture
Prevention N/A
Treatment Muscle relaxants, sedation, antibiotics for infection
Medication Diazepam, baclofen, dantrolene
Prognosis Depends on underlying cause
Frequency Rare
Deaths N/A


Opisthotonus or opisthotonos (from Ancient Greek: ὄπισθεν opisthen, meaning 'behind', and τόνος tonos, meaning 'tension') is a neurological condition characterized by extreme hyperextension and spasticity. In this state, an individual's head, neck, and spinal column enter into a pronounced arching or bridging position.

Causes[edit]

Opisthotonus can be caused by a variety of conditions, including:

  • Meningitis
  • Severe brain or spinal cord injuries
  • Tetanus
  • Neuroleptic malignant syndrome
  • Certain metabolic disorders

Symptoms[edit]

The primary symptom of opisthotonus is the extreme backward arching of the head, neck, and spine. Other symptoms may include:

  • Muscle stiffness and spasms
  • Difficulty breathing
  • Pain

Diagnosis[edit]

Diagnosis of opisthotonus involves:

  • Neurological examination
  • Medical history review
  • Diagnostic imaging like MRI or CT scans
  • Lumbar puncture, if meningitis is suspected

Treatment[edit]

Treatment focuses on managing the underlying cause and may include:

  • Medications to relieve muscle stiffness and spasms
  • Supportive care for breathing and feeding difficulties
  • Physical therapy

External Links[edit]

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