Merck Manual

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Bursts and Breaks: Causes of Hemorrhagic Stroke
Bursts and Breaks: Causes of Hemorrhagic Stroke
Bursts and Breaks: Causes of Hemorrhagic Stroke

When blood vessels of the brain are weak, abnormal, or under unusual pressure, a hemorrhagic stroke can occur. In hemorrhagic strokes, bleeding may occur within the brain, as an intracerebral hemorrhage. Or bleeding may occur between the inner and middle layer of tissue covering the brain (in the subarachnoid space), as a subarachnoid hemorrhage.