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Basal crackles are crackles apparently originating in or near the base of the lung. Bibasal crackles, also called bilateral basal crackles, are crackles heard at the bases of both the left and right lungs. Crackles are caused by the "popping open" of small airways and alveoli collapsed by fluid, exudate, or lack of aeration during expiration.
Fine crackles Coarse crackles [13] [14] Several sources will also refer to "medium" crackles, as a crackling sound that seems to fall between the coarse and fine crackles. Crackles are defined as discrete sounds that last less than 250 ms, while the continuous sounds (rhonchi and wheezes) last approximately 250 ms.
Crepitation refers to situations where noises are produced by the rubbing of parts one against the other, as in: . Crepitus, a crunching sensation felt in certain medical problems
When listening to lungs, breath sounds such as wheezes, crepitations and crackles are identified. The gastrointestinal system is auscultated to note the presence of bowel sounds. Electronic stethoscopes can be recording devices, and can provide noise reduction and signal enhancement.
Crepitus is "a grating sound or sensation produced by friction between bone and cartilage or the fractured parts of a bone".. Various types of crepitus that can be heard in joint pathologies are:
Crackles, an abnormal lung sound heard in a person with respiratory disease Crackling, a form of audible noise often associated with impulse noise Crackling noise , a broad type of noise
Other signs include end-inspiratory crackles (crackling sounds heard at the end of a deep breath) on auscultation and the presence of a third heart sound. [3] Shortness of breath can manifest as orthopnea (inability to breathe sufficiently when lying down flat) and/or paroxysmal nocturnal dyspnea (episodes of severe sudden breathlessness at ...
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.