Steto - (Greek - chest), is an instrument with two acoustic chambers, which allows you to capture noise and pathological sounds in the patient's lungs. Thanks to the sounds of the stethoscope, the doctor is able to clearly hear the difference between normal and pathological conditions, thereby prescribing therapy if necessary. The stethoscope is intended for auscultation of the lungs, heart, urinary tract and blood vessels, and it is also used for gynecological diseases, heart murmurs, abdominal vibrations, etc. In medical practice, a stethoscope is used to determine heart murmurs for adults, and for small children Stetophan is used. These stethoscopes are used to detect murmurs in the abdominal area. In case of kidney or liver pathologies in children, a special injection is used