Stethoscope is a medical instrument used to hear the sound inside the body of humans and animals like lung and heart sounds. Furthermore, it is used to listen to the sound of blood flow of arteries and veins as well as of intestine. Along with a sphygmomanometer, it is mostly utilized for measuring the blood pressure. There are various types of Stethoscope available as per the requirements of physicians and motivated by different purposes such as Acoustic Stethoscope, Electronic Stethoscope, Recording Stethoscopes, Fetal Stethoscope, Stethoscope Earpieces, and more. A diaphragm fitted in the Stethoscope when comes in contact with body sound, it vibrates creating pressure waves that travel through the tube to the listener’s ears.