Why does an electronic sphygmomanometer measure blood pressure several times in a row, the difference will be very big?

Electronic sphygmomanometer several times in a row to measure blood pressure, the difference is very big reason may be the sphygmomanometer is not too accurate, also may be the sphygmomanometer is not placed too smooth. In fact, it is normal to use an electronic sphygmomanometer to measure blood pressure differently several times, because people's blood pressure is different at different times, in different moods, and at different temperatures. When you are excited, your blood pressure will be very fast, and when you are sad, your blood pressure will be very slow. When the surrounding temperature is very high, the blood pressure will be faster, and when the surrounding temperature is very low, the blood pressure will be slower. But many electronic blood pressure monitors on the market are not very accurate, because they are not big brands, so the quality is poor. It is better to buy some big brands, so that the measurement error will not be too big, and there will not be a continuous measurement of several times to appear too big a difference. The sphygmomanometer is not placed smoothly, may also be the cause of inaccurate blood pressure, may be the sphygmomanometer is uneven, or one side is high and the other side is low, so the measurement of blood pressure is not accurate. If you feel that your home blood pressure monitor is not accurate, you can go to the hospital to let your doctor help you measure your blood pressure. Doctors have a lot of blood pressure monitors that measure blood pressure manually, and this kind of monitor is more accurate. Go to the doctor to measure blood pressure, in order to determine their own blood pressure in the end what kind of, so that they will be assured. Nowadays, there are many people with high blood pressure, and blood pressure is very high from time to time, if you are sure that your blood pressure is too high, you must control it properly. In addition to taking antihypertensive drugs, but also need to eat a reasonable diet, it is best not to eat big fish and meat, too greasy food. The normal blood pressure is 120 and 80, and if you are over 40 years old, then 140 is considered normal. If you haven't experienced any dizziness lately, and everything is normal, and you don't have any discomfort, then you don't need to worry too much about your blood pressure. And blood pressure does not need to be measured frequently every day, because different time measurement of blood pressure are not the same, if there is a body uncomfortable place, go directly to the hospital.