Neurology Book

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Todd Paresis

Aka: Todd Paresis, Todd's Paralysis, Todd Paralysis, Postseizure Paralysis, Postseizure Paresis
  1. Definitions
    1. Todd Paresis
      1. Focal onset Seizure, typically leading to Hemiparesis
  2. Background
    1. First described by Robert Bentley Todd in 1849
  3. Epidemiology
    1. Follows 13% of Seizures
  4. Pathophysiology
    1. Multiple postulated mechanisms
      1. Prolonged refractory period after Seizure and secondary repeated depolarizations
      2. Local inhibition by surrounding Neurons as a protective reflex
      3. Tissue hypoperfusion from Seizure
  5. Signs
    1. Focal Seizure precedes weakness
    2. Motor weakness (from mild to complete paralysis) in limb opposite the side of the Seizure
    3. Other neurologic presentations
      1. Extraocular Movement deficit (Gaze Palsy)
      2. Aphasia
      3. Sensory deficit
      4. Visual field deficit
  6. Labs
    1. Bedside Glucose
    2. See Cerebrovascular Accident
  7. Differential Diagnosis
    1. Cerebrovascular Accident
    2. Hemiplegic Migraine
    3. Hypoglycemia
  8. Imaging: First Episode
    1. Evaluate as Cerebrovascular Accident
      1. Exception: Clear history of Focal Seizure preceding event and known history of Todd's Paralysis
    2. CT Head
    3. CT Angiogram Head and Neck
    4. Consider MRI Brain
  9. Evaluation
    1. See Cerebrovascular Accident
    2. Known history of Todd's Paralysis may circumvent significant workup
  10. Course
    1. Residual neurologic deficits may last up to 24-36 hours (mean 15 hours)
  11. References
    1. Mastriana, Pay and Taylor (2019) Todd Paresis, StatPearls, accessed 6/6/2019
      1. https://www.ncbi.nlm.nih.gov/books/NBK532238/

Todd Paralysis (C0234544)

Concepts Sign or Symptom (T184)
MSH D010243
SnomedCT 66264000
English Paralysis, Todd's, Postseizure paralysis, Paralysis, Todd, Todd's Paralysis, Todds Paralysis, Todd paresis, todd's paralysis, todd paralysis, todd's paresis, todds paralysis, todd's paralysis (diagnosis), Postictal paralysis, Todd's paralysis, Todd's paresis, Todd's paresis (finding), Todd; paralysis, paralysis; Todd, Todd Paralysis
Italian Paralisi post-ictus, Paralisi di Todd
Dutch paralyse van Todd, Todd; paralyse, paralyse; Todd, postictale paralyse
German Todd-Paralyse, Nachschlafparalyse
Portuguese Paralisia de Todd, Paralisia pós-íctica
Spanish Parálisis de Todd, parálisis postconvulsiva (hallazgo), parálisis de Todd, parálisis de Todd (hallazgo), parálisis postconvulsiva, parálisis posconvulsiva, parálisis postictal, Parálisis postictal
Japanese 発作後麻痺, トッド麻痺, ﾎｯｻｺﾞﾏﾋ, ﾄｯﾄﾞﾏﾋ
French Paralysie de Todd, Paralysie post-critique, Paralysie épileptique post-critique
Czech Pozáchvatová obrna, Toddova paralýza, Toddova paréza
Hungarian Todd-féle paralysis, Postictalis paralysis
Norwegian Todds paralyse, Todds lammelse
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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