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HemiplegiaAka: Hemiparesis

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  1. Definitions
    1. Hemiplegia: Paralysis
    2. Hemiparesis: Weakness
  2. Causes
    1. Cerebrovascular Accident (CVA)
      1. Thrombosis, Embolism or hemorrhage
    2. Transient Ischemic Attack (TIA)
    3. Migraine syndrome
    4. Head Trauma
      1. Brain Contusion
      2. Subdural Hematoma
      3. Epidural hematoma
    5. Todd's Paralysis
    6. Diabetes Mellitus
    7. Brain Tumor (Primary or metastatic disease)
    8. Infection
      1. Brain abscess
      2. Encephalitis
      3. Subdural empyema
      4. Meningitis
    9. Nonketotic hyperosmolar coma
    10. Vasculitis
    11. Demyelinating disease
      1. Multiple Sclerosis
      2. Acute necrotizing myelitis
    12. Hereditary disease
      1. Leukodystrophies
    13. Congenital or perinatal injury
  3. Symptoms
    1. Sudden unilateral extremity weakness, loss of function
    2. Reflects spinal cord or higher involvement
  4. Signs: Lesion localization
    1. General
      1. Cortical lesion signs depend on dominant hemisphere
      2. Subcortical, brainstem, and spinal cord are the same
    2. See Right Hemiplegia or Right Hemiparesis (dominant)
      1. Aphasia
      2. Cortical sensory loss
    3. See Left Hemiplegia or Left Hemiparesis (nondominant)
      1. Inattention (left sided neglect)
      2. Denial
      3. Constructional Apraxia
      4. Spatial disorientation

Hemiparesis (C0018989)

ConceptsDisease or Syndrome (T047)
MSHD010291
EnglishHemipareses, Hemiparesis, paresis of one side of body, paresis unilateral, Unilateral paresis, Weakness of one side of body
Spanishhemiparesia, paresia unilateral
Parent ConceptsHemiplegia (C0018991), Muscle Weakness (C0151786)
SourcesCOSTAR, CST, DXP, MSH, OMIM, RAM, SCTSPA, SNOMEDCT
Derived from the NIH UMLS (Unified Medical Language System)


Hemiplegia (C0018991)

Definition (MSH)Severe or complete loss of motor function on one side of the body. This condition is usually caused by BRAIN DISEASES that are localized to the cerebral hemisphere opposite to the side of weakness. Less frequently, BRAIN STEM lesions; cervical SPINAL CORD DISEASES; PERIPHERAL NERVOUS SYSTEM DISEASES; and other conditions may manifest as hemiplegia. The term hemiparesis (see PARESIS) refers to mild to moderate weakness involving one side of the body.
Definition (CSP)severe or complete loss of motor function on one side of the body; this condition is usually caused by brain diseases that are localized to the cerebral hemisphere opposite to the side of weakness; less frequently, brain stem lesions; cervical spinal cord diseases, peripheral nervous system diseases, and other conditions may manifest as hemiplegia.
Definition (NCI)Paralysis of one side of the body.
ConceptsSign or Symptom (T184)
ICD9342.9
MSHD006429
EnglishHemiplegia, Hemiplegias, paralysis of one side of body, PARALYSIS ONE SIDE OF BODY
Spanishhemiplejia
Parent ConceptsSpinal Cord Injuries (C0037929), Paralysed (C0522224), CNS disorder (C0007682), Brain Diseases (C0006111), CNS GENERAL (C0549638), VASCULAR: INTRACRANIAL (C0549642), Hemiplegia and hemiparesis (C0375206), Hemiplegia (C0018991), Paralytic syndrome (C0270788), Disorder of extremity (C1290877)
SourcesAOD, CCS, COSTAR, CSP, CST, DXP, ICD9CM, LCH, MSH, NCI, NDFRT, OMIM, RAM, SCTSPA, SNOMEDCT
Derived from the NIH UMLS (Unified Medical Language System)



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