1 Historical Review -- 2 Anatomy of the Cerebral Vessels -- Circle of Willis -- Internal Carotid Artery -- Ophthalmic Artery -- Posterior Communicating Artery -- Anterior Choroidal Artery -- Anterior Cerebral Artery -- Middle Cerebral Artery -- Lenticulostriate Arteries (Thalamostriate Arteries) -- Posterior Cerebral Artery -- Vertebrobasilar System -- Venous Anatomy -- 3 Pathophysiology -- Massive or Catastrophic Haemorrhage -- Major Subarachnoid Haemorrhage -- Pathological Changes Associated with Minor Haemorrhage -- Histopathological Features -- Aetiology of Subarachnoid Haemorrhage -- Intracranial Aneurysms -- 4 Clinical Features -- Symptomatology -- Physical Examination -- Warning Signs of Impending Subarachnoid Haemorrhage -- Grading of Severity of Subarachnoid Haemorrhage -- 5 Differential Diagnosis -- Modes of Presentation -- Confirmation of Subarachnoid Haemorrhage -- Aetiology of Subarachnoid Haemorrhage -- Subarachnoid Haemorrhage of Unknown Aetiology -- 6 Computerised Tomography -- Material -- CT Scan Appearances -- Blood in the Subarachnoid Cisterns -- Intracerebral Haematoma -- Intraventricular Haematoma -- Subdural Haematoma -- Low Attenuation Areas -- Hydrocephalus -- Contrast Enhancement -- CT in Multiple Aneurysms -- CT Scan Findings and Patient Grade -- CT Scan Findings and Prognosis -- Accuracy of CT -- CT Scan Findings and Subarachnoid Haemorrhage of Unknown Cause -- CT Scan Findings and Vasospasm -- CT and Brain Haemorrhage Due to Intracranial Tumours -- CT and Giant Aneurysms -- CT and Patient Deterioration -- 7 Cerebral Angiography -- Indications -- Contraindications -- Timing -- Technique -- Anterior Cerebral Artery Aneurysms -- Middle Cerebral Artery Aneurysms -- Posterior Communicating Artery Aneurysms -- Internal Carotid Artery (Bifurcation) Aneurysms -- Anterior Choroidal Aneurysms -- Carotid Ophthalmic Aneurysms -- Intracavernous Aneurysms -- Vertebrobasilar Aneurysms -- Angiotomography and Magnification Angiography -- Angiographic Findings in Ruptured Aneurysms -- Accuracy of Angiography -- Peroperative Angiography -- Postoperative Check Angiography -- Complications -- Arteriovenous Malformations -- Mycotic Aneurysms -- Traumatic Aneurysms -- Neoplastic Aneurysms -- Arterial Anomalies -- Fibromuscular Hyperplasia -- Moya Moya Syndrome -- Cerebral Arteritis -- Digital Subtraction Angiography -- 8 Management of Subarachnoid Haemorrhage -- Management at the Receiving Hospital -- General Measures -- Management of the Comatose Patient -- Prevention of Recurrent Haemorrhage -- Treatment of Complications -- Metabolic, Electrolyte and Haematological Changes -- 9 Anaesthesia -- Historical Background -- Pre-operative Management -- Anaesthesia for Angiography -- Anaesthesia for Craniotomy -- Techniques for Special Aneurysms -- Postoperative Management -- Arteriovenous Malformations -- 10 Basic Principles of Surgical Treatment of Intracranial Aneurysms -- Selection of Patients -- Timing of Surgery -- Methods of Surgical Treatment -- Technical Aids for Intracranial Surgery -- Aneurysms in Various Sites -- 11 Results of Surgical Treatment of Intracranial Aneurysms -- Natural History of Intracranial Aneurysms -- Clinical Profile of Surgical Patients -- Outcome -- Analysis of Patients with Fatal Outcome -- Outcome in Relation to the Site of the Aneurysm -- Quality of Survival -- Factors WhichInfluence Outcome -- Conclusions -- 12 Vasospasm -- Cerebral Blood Flow -- Cerebral Autoregulation -- Cerebral Blood Flow in Subarachnoid Haemorrhage -- Aetiology and Pathophysiology -- Pathological Changes in Vasospasm -- Incidence -- Vasospasm and Neurological Condition of the Patient -- Management of Cerebral Vasospasm -- 13 Arteriovenous Malformations -- Incidence -- Natural History -- Pathology -- Surgical Pathology -- Site of the Lesion -- Clinical Presentation -- Management -- Principles of Direct Surgical Treatment -- Operative Procedures -- Postoperative Care -- Alternative Methods of Treatment -- Aneurysms of the Vein of Galen -- 14 Subarachnoid Haemorrhage in Pregnancy -- Incidence -- Cause -- Time of Occurrence -- Course of Haemorrhage -- Physiological Changes During Pregnancy Relevant to Subarachnoid Haemorrhage -- Diagnosis -- Treatment -- 15 Subarachnoid Haemorrhage in Infancy, Childhood and Adolescence -- Material -- Cause -- Aneurysms -- Arteriovenous Malformations -- Idiopathic (No Cause) Group -- Rare Causes -- Neonatal Intracranial Haemorrhage -- 16 Spinal Subarachnoid Haemorrhage -- Aetiology -- Clinical Features -- Differential Diagnosis -- Investigations -- Natural History and Outcome -- Management of Spinal Arteriovenous Malformations -- 17 Future Developments -- Prevention of Subarachnoid Haemorrhage -- Improved Diagnosis -- Treatment of the Complications of Subarachnoid Haemorrhage -- Improved Surgical Techniques -- New Imaging Techniques