急性脑血管病是常见的急诊，及时准确的确定其性质．并采取相应的救治措施，是影响其预后的重要因素。CF的问世使急性脑血管病的诊断有了根本的改观。但是由于CT尚未在基层普及．即使大多数有CT的医院，也难以做到患者随到随查，仍需临床医生作初步诊断，给予急诊处理。临床上 Acute cerebrovascular disease is a common emergency, and timely and accurate determination of its nature. And take the corresponding treatment measures, is an important factor affecting the prognosis. The advent of CF makes the diagnosis of acute cerebrovascular disease has been fundamentally changed. However, because CT has not yet been popularized at the grassroots level. Even if the majority of CT hospitals, it is difficult to do with the patient with the investigation, the clinician still need to make a preliminary diagnosis, given emergency treatment. Clinically