DSA在显示微小畸形血管团方面优于CTA或MRA，能提供bAVM的血管结构特征和血流动力学信息。但DSA属于有创检查，存在一定的风险，对于首次DSA阴性的SAH患者是否复查应视具体情况而定。

A subarachnoid hemorrhage was demonstrated on a head CT scan. Investigations. Physical examination, laboratory tests, brain CT scan, brain MRI scan, brain magnetic resonance angiogram, brain ...

Patients who experience a nonaneurysmal subarachnoid hemorrhage differ from patients ... neurological examination and computed tomography [CT] scans), clinical course, and outcome.

Fever after subarachnoid hemorrhage: risk factors and impact on outcome. Neurology 68 , 1013–1019 (2007). Article CAS PubMed Google Scholar ...

Hyponatremia commonly occurs in patients with aneurysmal subarachnoid hemorrhage. Two mechanisms have been proposed as causes: syndrome of inappropriate anti-diuretic hormone and cerebral salt ...