How to use medical stethoscope

bass treble and can hear the baby's heartbeat in the abdomen. The auscultation head is often used to auscultate the pulse sound of the wrist.
2, the type of medical stethoscope
2.1, acoustic stethoscope
Acoustic stethoscope is the earliest stethoscope and a diagnostic tool for most people. This stethoscope is a symbol of the doctor, who wears it around his neck every day. Acoustic stethoscopes are the most commonly used.
2.2, electronic stethoscope
The electronic stethoscope uses electronic technology to amplify the body's sound, overcoming the high noise of the acoustic stethoscope. The electronic stethoscope needs to convert the electrical signal of the sound of the sound and then be amplified and processed for optimal listening. They are based on the same physical principles as acoustic stethoscopes.
2.3, shooting a stethoscope
Some electronic stethoscopes have direct audio output that can be used to connect to external recording devices, such as laptops or mp3 recorders. Save these sounds and judge them by listening to the previously recorded sound through the stethoscope headset.
2.4, fetal stethoscope
In fact, the fetal stethoscope or fetal mirror is also a kind of acoustic stethoscope, but it is detached from the ordinary acoustic stethoscope.
3, how to use medical stethoscope
3.1, remove debris
If the stethoscope is kept in a pocket or is not regularly maintained, the cotton wool, fibers, or dust from the clothing may block the stethoscope ear tube. Regular maintenance and cleaning can prevent this from happening.
3.2, check the tightness
The high-quality sound transmission of the stethoscope is related to the tightness of the stethoscope and the patient's body surface, and the stethoscope to the ear canal of the listener. Loose head parts, loose y tubes, and damaged y tubes can affect the tightness. The better the fit, the more accurately the sound in the patient's body can be transmitted to the listener's ear. So always check the status of the stethoscope.
3.3, double-sided stethoscope
When using a double-headed stethoscope, the user needs to switch the clock face or membrane mode of the head to use. When using the membrane surface, the clock face will be closed to avoid interference. vice versa.