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A cerebral hemorrhage is an intra-axial hemorrhage; that is, it occurs within, rather than outside, the brain tissue.The other category of intracranial hemorrhage is extra-axial hemorrhage, such as epidural, subdural, and subarachnoid hematomas, which all occur within the skull but outside of the brain tissue.t is alternatively called intracerebral hemorrhage. It can be caused by brain trauma, or it can occur spontaneously in hemorrhagic stroke. Non-traumatic intracerebral hemorrhage is a spontaneous bleeding into the brain tissue. Non-traumatic can refer to increased exertion, tension or stress.
A subarachnoid hemorrhage (SAH), or subarachnoid haemorrhage in British English, is bleeding into the subarachnoid space âthe area between the arachnoid membrane and the pia mater surrounding the brain.This may occur spontaneously, usually from a ruptured cerebral aneurysm, or may result from head injury.igns and symptoms of SAH include a severe headache with a rapid onset ( thunderclap headache ), vomiting, confusion or a lowered level of consciousness, and sometimes seizures. In general, the diagnosis is confirmed with a CT scan of the head, or occasionally by lumbar puncture.