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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]
Crackles are the clicking, rattling, or crackling noises that may be made by one or both lungs of a human with a respiratory disease during inhalation, and occasionally during exhalation. They are usually heard only with a stethoscope ("on auscultation"). Pulmonary crackles are abnormal breath sounds that were formerly referred to as rales. [2]
A wheeze is a clinical symptom of a continuous, coarse, whistling sound produced in the respiratory airways during breathing. [1] For wheezes to occur, part of the respiratory tree must be narrowed or obstructed (for example narrowing of the lower respiratory tract in an asthmatic attack), or airflow velocity within the respiratory tree must be heightened.
Rhonchi (an increasingly obsolete term) characterised by low pitched, musical bubbly sounds heard on inspiration and expiration. Rhonchi are the result of viscous fluid in the airways. [21] Crackles or rales. Intermittent, non-musical and brief sounds heard during inspiration only.
Figure A shows the location of the lungs and bronchial tubes. Figure B is an enlarged view of a normal bronchial tube. Figure C is an enlarged view of a bronchial tube with bronchitis. Specialty: Pulmonology: Symptoms: Cough with sputum, wheezing, shortness of breath, fever, chest discomfort [1] [2] Duration: Up to 6 weeks [3] Causes: Typically ...
Atchoum (the French version of the sound made by a sneeze), is living with hypertrichosis, a condition that can occur in many mammals—including humans—which can cause unregulated growth of hair.
Some cats have more down hair than other kinds, and so feel softer to the touch. Other cats have different ratios or guard and awn hair. And some cats, like so-called hairless breeds, have an ...
The term can also be used when describing the sounds produced by lung conditions such as interstitial lung disease; these are also referred to as "rales". Crepitus is often loud enough to be heard by the human ear , although a stethoscope may be needed to detect instances caused by respiratory diseases.