Some electronic stethoscopes are equipped with a direct audio output, which can be used to connect to external recording devices, such as laptops or MP3 recorders. Save these sounds and listen to the previously recorded sounds through the stethoscope headset. The doctor can do more in-depth research and even remote diagnosis. In fact, the fetal stethoscope or fetal scope is also a kind of acoustic stethoscope, but it is beyond the ordinary acoustic stethoscope. The fetal stethoscope can hear the voice of the fetus in the belly of a pregnant woman. It is very beneficial for nursing during pregnancy.
A Doppler stethoscope is an electronic device that measures the Doppler effect of the reflected waves of ultrasonic waves from body organs. The movement is detected as the frequency change due to the Doppler effect, reflecting the wave. Therefore, the Doppler stethoscope is particularly suitable for handling moving objects, such as a beating heart.
