31. Epidural haemorhage

Organ: Brain, skull

Description:

A large haematoma lies between the skull and the dura mater in the bottom right corner. A skull fracture can be seen. A small rope shows the midline of the patient. This rope helps illustrate that the haemorrhage compresses the brain, which can be seen as the right ventricle is pushed to the left of the midline rope.

Diagnosis: Epidural haematoma

Causes:

  • Blunt force trauma -> skull fracture -> middle meningeal artery ruptured

Theory:

Epidural haematoma compresses the brain and causes the cerebellar tonsils to herniate through the foramen magnum, which compresses the lower brainstem. This is called tonsillar herniation and causes respiratory failure by compressing the respiratory centre.

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30. Lymphomatous polyposis of small and large intestine

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32. Subdural haemorhage

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