[Clinic, diagnosis, and therapy of subarachnoidal hemorrhage].

In most cases a saccular aneurysm is the cause of acute subarachnoidal hemorrhage (SAH). The usual symptoms are severe headache and meningism. Due to the high mortality rate caused by rebleeding an early occlusion of the aneurysm should be strived for. For this early diagnosis an exact identification of the aneurysm and its configuration is essential.