page_title: Intracranial hemorrhage
section_title: Diagnosis
hierarchical_section_title: Intracranial hemorrhage / Diagnosis
caption_attribution_description: English: An acute bleed into a long standing cystic mass within the brain. Arrow points to bleeding and mass.
context_page_description: Intracranial hemorrhage, also known as intracranial bleed, is bleeding within the skull. Subtypes are intracerebral bleeds, subarachnoid bleeds, epidural bleeds, and subdural bleeds.
  Intracerebral bleeding affects 2.5 per 10,000 people each year.
context_section_description: CT scan (computed tomography) is the definitive tool for accurate diagnosis of an intracranial hemorrhage. In difficult cases, a 3T-MRI scan can also be used.
  When ICP is increased the heart rate may be decreased.
caption: An acute bleed into a long-standing cystic mass within the brain. Arrow points to bleeding and mass.
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