Guidelines for the management of aneurysmal subarachnoid hemorrhage: a guideline for healthcare professionals from the American Heart Association/American Stroke Association - Connolly, E S, Jr; Rabinstein, A A; Carhuapoma, J R; American Heart Association Stroke Council, Council on Cardiovascular Radiology and Intervention; Council on Cardiovascular Nursing; Council on Cardiovascular Surgery and Anesthesia; Council on Clinical Cardiology (Stroke, 2012)