FEATURED ARTICLE:
Stethoscope: An important medical instrument
Stethoscopes have been used by medical professionals like doctors and nurses for a lot of years to listen to the various sounds of a body. They are an absolutely intrinsic piece of equipment for all doctors and nurses and the examination of any patient would be incomplete without a stethoscope. Stethoscopes can be used for human beings as well as animals. A stethoscope is a medical instrument used to listen to sounds produced in the body, especially those that emanate from the heart and lungs. Modern stethoscopes are binaural means the instrument is intended for use with both ears.
The stethoscope is used mainly for the detection of heart murmurs, irregular heart rhythms, or abnormal heart sounds by the doctors and nurses. It is also used to listen to the sound of air moving through lungs in order to detect abnormalities in the air tubes and sacs found in the lung walls. Stethoscopes are often considered as a symbol of the doctor's profession, as doctors are often seen or depicted with a stethoscope hanging around their neck. However, stethoscopes can also be used to listen to sounds inside the veins, arteries, and intestines..
It is essential for all medical students to carry stethoscope. The first stethoscope that was manufactured by Laennec was made up of a hollow wooden tube. It was known as "Monaural" stethoscope it had one earpiece. Before the distribution of this device, doctors had to put their ears to patients' chest to listen to heartbeats. This type of stethoscope is still used today to listen to babies' heartbeats. One type of stethoscope used widely today is the acoustic stethoscope. It consists of hollow tubes lead down to a two-sided chest piece. It is a combination stethoscope with a bell, plastic disk, diaphragm, hollow cup and chest pieces.
Another type of stethoscope that is used today by medical students and doctors is the electronic model. Electronic stethoscopes amplify sound waves, which are converted from acoustic to electronic waves. These stethoscopes are similar in appearance to acoustic models except that they feature microphones attached either inside the bell or behind the diaphragm chest piece that convert sound waves. They were designed for cardiologists and doctors who need to hear specific sounds in the chest more clearly, such as those produced by respiratory system. The Littmann Cardiology III Stethoscope is considered one of the best models produced among medical professionals within the Littmann product line.
Many doctors like to personalize their stethoscope by putting a cover over the tube. Stethoscope covers come in many different colors and shapes. Many pediatricians use stethoscope covers shaped like animals. Other doctors like denim or cotton stethoscope covers. Stethoscope covers serve a number of purposes like they can protect the fragile rubber tubes from wear and tear. Doctors can also identify their stethoscope by the cover if they happen to misplace it or let someone else borrow it. Many pediatricians find that kid friendly stethoscope designs can have a calming effect on nervous children.
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