A stethoscope is a device used to listen to the internal sounds of the body. It is one of the most common instruments used by a doctor or any other medical personnel. They are usually used to listen to the heartbeats and diagnose any kind of impairment or abnormal functionality. It is combined with an aneroid sphygmomanometer to measure the blood pressure.
There are four major types of stethoscopes:
It basically consists of three parts, a hollow cup or disc, a hollow tube, and an earpiece. The disc is placed on the body and the sound vibrations travel through the tube and into the earpiece. These are the most basic form of stethoscopes.
These stethoscopes amplify the sounds of the body and give a better acoustic result. But these types of devices have many shortcomings and are hence not widely used.
They are trumpet shaped stethoscopes that are place on the abdomen of a pregnant woman to listen to the sounds of the fetus.
These stethoscopes are electronic and measure the Doppler effect of ultrasound waves reflected from the organs of the body. They are accurate in measuring the movements of constantly moving organs such as the beating heart.
The Graham-Field Lightweight Single Head Stethoscope is a lightweight, durable and disposable stethoscope is ideal for those clinical high-risk environments where minimizing infection transmission is essential. It is manufactured with one-piece, latex-free molded tubing and adjustable aluminum binaural for better sound transmission. The 3M Littmann Classic II S.E. Stethoscope features a versatile chest piece design that provides high acoustic sensitivity with both a tunable diaphragm and open bell. A tunable diaphragm to hear high or low frequency sounds by slightly adjusting pressure on the chest piece. Non-chill rim and diaphragm provide patient comfort.
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| Graham-Field Lightweight Single Head Stethoscope |
3M Littmann Classic II Stethoscope |
The MDF Sprague Rapport Stethoscope is designed to detect entire range of heart and chest sounds. It is five-in-one for a full range of diagnostic capability that is clinically proven to deliver more faint heart sounds and murmurs. This classic design allows healthcare professionals to assess adult, pediatric and infant patients using just one stethoscope. Mabis Teaching Training Stethoscope This unique dual head stethoscope makes it possible for two people to use at the same time! Perfect for training new doctors, nurses, pediatricians and EMTs
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| MDF Sprague Rappaport Stethoscope | Mabis Teaching Training Stethoscope |
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