respiratory sound

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Related to respiratory sound: breath sounds

respiratory sound

Any sound heard over the lungs, bronchi, or trachea.
See also: sound


1. percept resulting from stimulation of the ear by mechanical radiant energy, the frequency depending on the species.
2. a slender instrument to be introduced into body passages or cavities, especially for the dilatation of strictures or detection of foreign bodies.
3. a noise, normal or abnormal, emanating from within the body.
4. strong, in good condition and without significant defects, e.g. said of wool which has sufficient tensile strength to resist the rigors of processing; said also of teeth as sound mouth.

ejection s's
high-pitched clicking sounds heard very shortly after the first heart sound, attributed to sudden distention of a dilated pulmonary artery or aorta or to forceful opening of the pulmonic or aortic cusps.
friction sound
one produced by rubbing of two surfaces.
heart s's
the sounds produced by the functioning of the heart. See heart sounds.
Korotkoff's s's
those heard during auscultatory blood pressure determination.
percussion sound
any sound obtained by percussion.
respiratory sound
any sound heard on ausculation over the respiratory tract.
succussion s's
splashing sounds heard on succussion over a distended stomach or in hydropneumothorax.
to-and-fro sound
a peculiar friction sound or murmur heard in pericarditis and pleurisy.
urethral sound
a long, slender instrument for exploring and dilating the urethra.
sound waves
sound, the stimulus for hearing, consists of patterns of pressure waves generated in and passed through the air.
white sound
that produced by a mixture of all frequencies of mechanical vibration perceptible as sound.
sound wool
wool with no breaks in it that will stand up to the pressures of scouring, spinning and weaving.
References in periodicals archive ?
Although certain respiratory sounds are often associated with a variety of illnesses and injuries, such as asthma, pneumonia, COPD, interstitial pulmonary fibrosis, bronchitis and pneumothorax, the task of identifying, differentiating and recalling such sounds can be challenging for medical professionals.
On initial examination, the patient was in no acute distress, and she did not exhibit stridor or any other abnormal respiratory sounds.

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