MEMIPLEGIA

MEMIPLEGIA

DEFINITION

MEMIPLEGIA is the paralysis of one half of the body including lower half of the face, upper and lower extremities due to opposite sided pyramidal lesion. When the face is affected the hemiplegia is called complete and when the face is unaffected it is called incomplete hemiplegia. In such cases of incomplete hemiplegia, lesion is usually located below the level of pons.

CAUSES OF MEMIPLEGIA

Acute onset

  1. Cerebral haemorrhage.
  2. Cerebral thrombosis.
  3. Cerebral embolism.
  4. Middle meningeal haemorrhage.

5. Congestive attacks of GPI.

6.  Post-epileptic Todd’s paralysis.

7. Subarachnoid haemorrhage.

8. Hypertensive encephalopathy.

9. Multiple sclerosis.

10. Acute hypoglycaemia.

11. Hysteric hemiplegia (functional, no UMN lesion).

Gradual onset

1. Cerebral tumour (including primary and metastatic).

2. Cerebral abscess.

3. Chronic subdural haematoma.

4. Following meningitis.

5. Following encephalitis.

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