张老师的意外张老师身体一向健康,但就在前年夏日的一天早上,他却在讲课时突然发生脑梗塞,经紧急抢救,总算平安无恙。经检查发现,张老师除了血液黏稠度有些异常外,其余均正常。据医生分析说,因为当时天气炎热,出汗过多,又没有及时补充水分,体内血液浓缩,从而造成血管堵塞,引起脑梗塞。从此张老师听从医生劝告,每天按时喝水,就是口不渴,也 Zhang teacher Zhang accidentally had a healthy body, but on the morning of the year before last year, he suddenly had a cerebral infarction in his lecture. After emergency rescue, he was finally safe and sound. After examination found that, in addition to some abnormal blood viscosity Zhang, the rest are normal. According to the doctor’s analysis, because at that time the weather was hot and sweating too much, there is no timely replenishment of water, blood concentration in the body, resulting in vascular blockage, causing cerebral infarction. Since this teacher obeyed doctor advice, drink water on time every day, is thirsty, too