What are the differences between subarachnoid hemorrhage and cerebral hemorrhage?

The difference between cerebral hemorrhage and subarachnoid hemorrhage is currently the following: first, the age of onset, cerebral hemorrhage is more common in the middle and old, subarachnoid hemorrhage is visible in all age groups, with young adults as more. Second, more common causes, cerebral hemorrhage for hypertension and arteriosclerosis, subarachnoid hemorrhage for aneurysms and vascular malformations, third, onset state, cerebral hemorrhage and subarachnoid hemorrhage are more common in dynamic onset. Fourth, acute onset, acute onset of cerebral hemorrhage, subarachnoid hemorrhage onset acute, fifth, headache, cerebral hemorrhage more headache, subarachnoid hemorrhage headache severe. Sixth, fundus, cerebral hemorrhage can be seen fundus arteriosclerosis, retinal hemorrhage, subarachnoid hemorrhage fundus can be seen subvitreous hemorrhage, seventh, CT examination, cerebral hemorrhage is high density focus in the brain, subarachnoid hemorrhage is high density shadow in subarachnoid space.