Supra Aortic Stenosis
Narrowing above the aortic valve. This results from narrowing of the aorta just above the valve.
Cardiac
Subarachnoid haemorrhage
Bleeding from a blood vessel on the surface of the brain into the space between the brain and the skull.
Sub Aortic Stenosis
Narrowing below the aortic valve. This usually results from the presence of abnormal tissue or muscle below the valve