Electronic sphygmomanometer to measure blood pressure need to be from the pre-test preparation, posture, cuff position and detection of precautions in these aspects.
1. Pre-test preparation: Before measuring blood pressure, you need to rest for 15-20 minutes to maintain stable breathing and heart rhythm. The sleeve should be pulled up to fully expose the skin of the upper arm.
2. Posture: Take a seated position when measuring blood pressure, and place the arm elbow flat in a position equal to the height of the heart. The sphygmomanometer, elbow and heart should be kept at the same level, and the arm should remain relaxed.
3. Cuff position: The lowest end of the inflatable cuff of the electronic sphygmomanometer should be kept at 2 centimeters above the elbow, and the elasticity of the cuff should be appropriate to be able to insert one finger, and should not be too loose or too tight.
4. During the test: Keep breathing naturally during the test, do not move or talk, and complete the blood pressure test at once.