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What is The commonest cause of Intra cerebral bleed- and explain in detail?
Intracranial bleed

Most common cause of intracerebral (intraparenchymal) hemorrhage →   Hypertension.
Most common cause of subarachnoid hemorrhage  →  Saccular Berry aneurism.
Most common cause of subdural hematoma    → Traumatic rupture of bridging veins.
Most common cause of epidural hematoma  →  Injury to the middle meningeal artery.