What does the presence of rales indicate?

The Sound of Rales

Crackles are often associated with inflammation or infection of the small bronchi, bronchioles, and alveoli . Crackles that don't clear after a cough may indicate pulmonary edema or fluid in the alveoli due to heart failure or acute respiratory distress syndrom

What do rales indicate?

Crackling (Rales)

You can have fine crackles, which are shorter and higher in pitch, or coarse crackles, which are lower. Either can be a sign that there's fluid in your air sacs . They can be caused by: Pneumonia.

What conditions are associated with rales?

Crackles (also called rales) resemble the sound made by rubbing hair between the fingers next to the ear. They are caused by fluid in the small passageways that adheres to the walls during respiration. Crackles are heard in congestive heart failure and pneumonia .

What causes rales on auscultation?

Crackles (rales) are caused by excessive fluid (secretions) in the airways . It is caused by either an exudate or a transudate. Exudate is due to lung infection e.g pneumonia while transudate such as congestive heart failure.

What is the cause of rales?

Causes. Rales are thought to occur when the tiny air sacs in the lungs, called alveoli, suddenly pop open in the presence of secretions

What does the presence of rales indicate?

The Sound of Rales

Crackles are often associated with inflammation or infection of the small bronchi, bronchioles, and alveoli . Crackles that don't clear after a cough may indicate pulmonary edema or fluid in the alveoli due to heart failure or acute respiratory distress syndrome.

What causes respiratory rales?

Bronchitis occurs when your bronchial tubes become inflamed . These tubes carry air to your lungs. The symptoms may include bibasilar crackles, a severe cough which brings up mucus, and wheezing. Viruses, such as the cold or flu, or lung irritants usually cause acute bronchitis.

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