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Electronic Stethoscope

January 16th, 2011 Leave a comment Go to comments

A stethoscope is a doctor’s instrument that they use to listen to the internal sounds of our body. The sounds that they listen for are the lung and heart sounds, the intestines, and the blood flow of veins and arteries. Rene Laennec of France invented the first stethoscope in 1816. The first stethoscope was similar to the common ear trumpet, which was a historical form of a hearing aid. The stethoscope is a vital tool in the medical field, whether you are a nurse or doctor.

By electronically amplifying the body sounds, the electronic stethoscope overcomes the low sound levels, which makes hearing the heart and lung sounds even easier. These stethoscopes require the conversion of acoustic sound waves to electrical signals. For optimal listening, these electric signals can be optimized and amplified.

In addition, the sounds are transmitted electronically it can be a wireless device, can provide noise reduction, can be a recording device, signal enhancement, and both visual and audio output. When the electronic stethoscope is used, it helps the doctor to diagnose and access patients much more accurately. In addition, an electronic stethoscope may be expensive purchase but it is a one-time purchase that will last for many years.

Buy using an electronic stethoscope, the doctor gets an added level of assurance with the sound quality that is unmatched when listening with a regular stethoscope. Some electronic stethoscopes have added features such as providing a computer link and recording capability. For consultation and teaching, sounds can be recorded and emailed to colleagues.

On the market today, there are several types of electronic stethoscopes.

3M Littmann Electronic Stethoscope with ambient noise reduction–A hospital can be a very noisy place so the doctors and nurses need medical equipment that will allow them to effectively treat and diagnose patients, which is extremely important. This brand is one of the few electronic stethoscopes with the ambient noise reduction technology. It will reduce distracting room noises without eliminating critical body sounds. One of their models cost $427 and has a unique diaphragm and sensor. The can be used on all body types and sizes. In addition, it has a versatile chest piece is ergonomically designed for patient comfort. This includes infant, pediatric, or adult. It also comes with sound analysis software that can record and store body sounds that are heard during an examination.

Cardionics E-Scope EMS–This electronic stethoscope is slightly more expensive than the 3M Littmann but is worth the extra money. This stethoscope costs $490. It comes with aviation headphones that completely cover the ear. It blocks out the sounds so that even soft breathing can be heard in a loud ambulance. In addition, it has such features as a frequency switch for heart and breathing sounds, and an automatic shutoff after 2 minutes.

Welch Allyn Tycos Master Elite– The premier feature of this stethoscope is its excellent sound. It has a two-position filter switch for high or low frequencies. This stethoscope is priced at $390. It also allows sounds to be electronically captured, recorded, and distributed, a perfect solution for teaching and consultations.

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