How to use a wrist sphygmomanometer

Wrist sphygmomanometers are relatively simple to use. After wrapping the wrist strap around the horizontal stripes of the wrist, turn on the switch and wait for the measurement result.
Before using the wrist sphygmomanometer, you need to install batteries or connect the power supply to the sphygmomanometer, and then wrap the wristband around the exposed wrist, the lower edge of the wristband from the palm of the hand about a cross-finger width can be, need to pay attention to the winding should be controlled in the degree of comfort, to avoid too tight or too loose, and need to keep the middle of the wristband and the heart at the same height, and then turn on the switch to wait for the measurement results.
It should be noted that before using the wrist sphygmomanometer, you should avoid strenuous exercise, nervousness and anxiety, as well as drinking excitatory beverages, such as strong tea, alcohol, coffee, carbonated beverages, etc., to avoid their own state of poor condition, which affects the accuracy of blood pressure measurement.
It is worth noting that the accuracy of wrist sphygmomanometer is not good, it is better to use cuff sphygmomanometer to measure blood pressure at the brachial artery of the elbow.