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A stethoscope is a medical device used to listen to a person's internal sounds, such as their heart and lungs. It is typically used by doctors, nurses, and other medical professionals to diagnose and monitor a patient's health. The stethoscope is composed of two parts: the chest piece and the earpieces. The chest piece is composed of a bell and a diaphragm, which are used to capture sound waves and transmit them to the earpieces. The earpieces are connected to the chest piece by a tube and allow the user to hear the sound waves.
The price range for stethoscopes varies depending on the type and manufacturer. Basic models can be found for as little as $20, while more advanced models can cost up to $200 or more. Popular stethoscope manufacturers include 3M Littmann, MDF Instruments, and Welch Allyn. These manufacturers offer a wide range of stethoscopes, from basic models to advanced models with features such as noise cancellation and Bluetooth connectivity.
