Stethoscopes

Stethoscopes are best doctor's best friend and you can always see them on their shoulder when on duty. Stethoscopes had were around in the mid 18th century and evolved from a wooden piece of device to a modern acoustic aparatus. Stethoscopes are used to listen to the the internal body sounds and are commonly used to listen to brething sounds, heartbeat and also with intestinal sound. This is usually the initial instrument that a doctor uses when a person has breathing issues, lung problems, or when a listening to the baby's heartbeat.