The core tips of electronic enthusiasts : sphygmomanometers include electronic sphygmomanometers, mercury sphygmomanometers (pressure gauges), spring-type sphygmomanometers (pressure gauges). The electronic sphygmomanometer is divided into arm type and wrist type; its technology has experienced the first generation of "with air core" (the most original arm type and wrist type), and the second generation of "without air core" (arm type use) And the development of the third generation (wrist use). Mercury sphygmomanometer (pressure gauge) and spring-type sphygmomanometer (pressure gauge) are used for auscultation to measure blood pressure. They must cooperate with a stethoscope and be judged by a doctor or nurse to obtain systolic and diastolic pressure readings.
1. Type of sphygmomanometer
The sphygmomanometers currently on the market are mainly divided into two categories: mercury column sphygmomanometers and electronic (anhydrous) sphygmomanometers. The mercury column sphygmomanometer is bulky and inconvenient to carry.
The electronic sphygmomanometer is small in size, convenient to carry, and convenient to use. Almost all people can use it by themselves. As a simple self-checking blood pressure tool, it is very popular with hypertensive patients.
2. Is the doctor's auscultation method more accurate?
The mercury sphygmomanometer used by doctors in hospitals is just a tool for pressure measurement. The view that the mercury column sphygmomanometer is an accurate sphygmomanometer is one-sided, because the mercury column sphygmomanometer is only a manometer, and the focus is on auscultation by the doctor through a stethoscope. At present, developed countries generally prohibit the use of mercury column sphygmomanometers, and adopt electronic pressure gauges (tables) with higher accuracy.
Moreover, the accuracy of the blood pressure measured by the doctor in the clinic is also affected by a series of factors such as the doctor's mood, hearing, environmental noise, and the tension of the subject.
3. Clinical verification standard at the time of development of electronic sphygmomanometer
The clinical verification of the electronic sphygmomanometer is designed based on auscultation as a standard and using statistical methods. But this does not mean that the auscultation method using a mercury pressure gauge is more accurate than the measurement result of an electronic sphygmomanometer. Of course, it is also wrong to think that the measurement results of the electronic sphygmomanometer are more accurate than those measured by the auscultation method using a mercury pressure gauge.
It is normal for individual subjects to have differences in electronic sphygmomanometers and auscultation methods.
4. What type of electronic sphygmomanometer is good to use?
It is recommended to use an electronic sphygmomanometer that has proven accurate according to standard tests.
For the elderly, it is recommended to use the upper arm automatic sphygmomanometer, semi-automatic sphygmomanometer and wrist sphygmomanometer are not recommended.
For young and middle-aged people, you can use the wrist electronic sphygmomanometer
Finger cuff type sphygmomanometer was developed in Japan in the early years, but it didn't prove to work soon.
5. How to treat the measurement results of the electronic sphygmomanometer
The measurement results of the electronic sphygmomanometer are for reference only by doctors during diagnosis, which is required by the medical device regulations of any country. The doctor should further confirm the blood pressure of the testee through auscultation measurement.
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