The reasons for the rapid heartbeat of pregnant women are as follows: first, the blood volume of pregnant women will increase after pregnancy, which is an important self-protection effect of the body, and it is a normal phenomenon, because it will increase the burden on the heart, so the heart rate will increase; second, because with the growth of the fetus, the mother’s heart will be squeezed, resulting in the obstruction of heart contraction and diastole, which will lead to the occurrence of the rapid heartbeat; third, anemia, which occurs more often in the In late pregnancy, pregnant women need to supplement a lot of nutrients during pregnancy, if the nutritional supplement is not in place, anemia will occur, because at this time the mother needs more oxygen, and the relative lack of oxygen will cause chest discomfort and abnormal heart rhythm and other phenomena, go to the hospital for oxygen inhalation treatment and nutritional supplementation will improve; Fourth, if you eat too salty food can also lead to rapid heartbeat, in short, tachycardia should be to the hospital when In short, if tachycardia occurs, you should go to the hospital.