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Design: Stethoscopes generally consist of three main components: the chest piece, the tubing, and the earpieces. The chest piece is the part that is placed on the patient’s body to capture sound vibrations. It usually has a bell and a diaphragm, which can be switched by rotating the chest piece. The tubing connects the chest piece to the earpieces. The earpieces are inserted into the practitioner’s ears to listen to the amplified sounds.
Chest Piece: The chest piece of a stethoscope is typically made of metal, such as stainless steel or aluminum. It has a diaphragm and a bell. The diaphragm is a flat, circular area that is used to capture high-frequency sounds, such as normal heart sounds. The bell is a smaller, cup-shaped area that is used to capture low-frequency sounds, such as murmurs or abnormal lung sounds. The user can switch between the diaphragm and the bell by applying different pressure on the chest piece.
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