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Auscultation (based on the Latin verb auscultare "to listen") is listening to the internal sounds of the body, usually using a stethoscope.Auscultation is performed for the purposes of examining the circulatory and respiratory systems (heart and breath sounds), as well as the alimentary canal.
Respiratory sounds, also known as lung sounds or breath sounds, are the specific sounds generated by the movement of air through the respiratory system. [1] These may be easily audible or identified through auscultation of the respiratory system through the lung fields with a stethoscope as well as from the spectral characteristics of lung sounds. [2]
Egophony (British English, aegophony) is an increased resonance of voice sounds [1] heard when auscultating the lungs, often caused by lung consolidation and fibrosis.It is due to enhanced transmission of high-frequency sound across fluid, such as in abnormal lung tissue, with lower frequencies filtered out.
[15] [16] An area of thinner musculature on the back where sounds may be more audible is called the triangle of auscultation. [17] During auscultation, deep breaths are taken through the mouth and abnormal sounds listened for. [18] [19] Abnormal sounds include: Wheezes, describing a continuous musical sound on expiration or inspiration. A ...
The stethoscope is a medical device for auscultation, or listening to internal sounds of an animal or human body.It typically has a small disc-shaped resonator that is placed against the skin, with either one or two tubes connected to two earpieces.
The terminology of rales and rhonchi in English remained variable until 1977, when a standardization was established by the American Thoracic Society and American College of Chest Physicians. [6] As a result, the term râles was abandoned, and crackles became its recommended substitute.
Bruit, also called vascular murmur, [3] is the abnormal sound generated by turbulent flow of blood in an artery due to either an area of partial obstruction or a localized high rate of blood flow through an unobstructed artery.
Percussion is a method of tapping on a surface to determine the underlying structures, and is used in clinical examinations to assess the condition of the thorax or abdomen.