Method:110 cases with cerebral hemorrhage confirmed by CT or MRI were randomly examined with TCD and ??133? Xe inhalation method at the same time.

• 方法：随机选择110例发病3天内，头颅CT或MRI证实的脑出血患者同时做TCD与133Xe吸入法测定脑血流量（rCBF）。