What reason is pregnant period heartbeat fast

summary

Palpitation refers to a person's palpitation is obvious or the rhythm is irregular. Pregnant women's body is special, is one of the common symptoms of heart disease, is a symptom of cardiovascular disease - "palpitation" another popular expression. Let's take a look at the following.

What reason is pregnant period heartbeat fast

First: during the original pregnancy, in order to adapt to the growth and development of the fetus, a series of changes have taken place in the maternal circulatory system.

Second: in the late pregnancy, due to the enlargement of the uterine body, the fragile muscle rises and pushes the heart to shift to the left. In addition, with the increase of the weight of pregnant women and the vigorous metabolism, the burden on the heart is increased. The body must increase the heart rate and stroke volume to complete the excess work. Increase lung ventilation by deepening and accelerating breathing, so as to obtain more oxygen and emit more carbon dioxide. The normal heart has a certain reserve capacity, can be competent for the increased burden.

Third: in the third trimester of pregnancy, the blood volume of the whole body increased by 40% - 50%, the heart rate increased by 10-15 times per minute, and the cardiac output increased by 25% - 30%, that is to say, the workload of the heart increased significantly.

matters needing attention

Once the occurrence of panic, shortness of breath, do not panic, rest for a while can be alleviated, you can also sleep for a while, pay attention not to supine, in order to prevent the occurrence of supine hypotension syndrome.