补充水分:在漫长的夏季,对心脑血管患者最大的威胁莫过于高温。因此,在超过33℃的日子里一定要做好防暑降温工作,同时要及时补充水分,以降低血液黏稠度。通常每日应喝8～10杯水(2000毫升～3500毫升),即使不觉得口渴,也应饮水。当然吃些西瓜来补充水分也是可以的。 To add moisture: In the long summer, the greatest threat to patients with cardiovascular and cerebrovascular diseases than high temperatures. Therefore, more than 33 ℃ in the days must be done sunstroke cooling, while timely replenishment of water to reduce blood viscosity. Usually should drink 8 to 10 glasses of water a day (2000 ml ~ 3500 ml), even if do not feel thirsty, should also drink water. Of course it is ok to eat watermelon to replenish water.