A Subarachnoid Hemorrhage is when there is bleeding into the outer space around the brain.

Their is a space between the brain and tissues that cover the brain – this area is called the subarachnoid space.

On the outer portion of the brain area is the pia mater and the tissues is called arachnoid membrane.

This can occur following a hemorrhagic stroke.

Symptoms and complications can occur very quickly and this diagnosis is considered a medical emergency

Occurs in less than 10% of all strokes.


-    Head trauma
-    Brain aneurysm
-    Tumors
-    Bleeding disorders
-    Excessive use of blood thinners (overdose)
-    Cocaine abuse
-    Unknown

In the elderly, falls can be a large cause of such bleeding in the brain.

Motor Vehicle Accidents (MVA) is another large component of head trauma


-    Headache
-    Stiff neck
-    Nausea
-    Vomiting
-    Confusion
-    Loss of consciousness
-    Changes in blood pressure
-    Seizures
-    Coma
-    Death


CT scan of brain is extremely helpful

Lumbar puncture may be helpful in some cases.


-    Emergency room management
-    Blood pressure control
-    Craniotomy  (Cutting a hole in the skull)
-    Neurosurgeon

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