小英怀孕七个月了,大腹便便,近来在仰卧时总是头晕眼花。去医院检查,一切正常。大夫嘱其采用左侧卧位,上述现象未再出现。 原来,小英是患了“仰卧综合征”。在妊娠中晚期,孕妇平卧时,又大又重的子宫会压迫下腔静脉,来自下肢以及子宫的静脉血就不能照常及时返流入心脏。回心血量骤然减少,出现头晕、眼花、胸闷、冷汗、心悸、血压下降等晕厥症 Xiaoying pregnant seven months, potbellied, lately always supine dizziness. Go to the hospital to check, everything is normal. The doctor told her to adopt the left lateral position, the above phenomenon did not appear again. It turned out that Xiaoying is suffering from “supine syndrome.” In the second and third trimester of pregnancy, pregnant women supine, large and heavy uterus will oppress the inferior vena cava, venous blood from the lower limbs and the uterus can not return to the heart as usual. Back to the sudden decrease in blood flow, there dizziness, vertigo, chest tightness, cold sweat, palpitations, blood pressure and other symptoms of syncope