Crackles heard in the lungs of a person with pneumonia using a stethoscope. Crackles, crepitations, or rales (/ËrÉËlz/ RAHLZ or /ËrÃ¦lz/ RALZ) 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. They are often heard only with a stethoscope (on auscultation).
The symptoms of chest congestion can be listed as under. 1  Coughing. 2  Shortness of breath. 3  Labored breathing. 4  Chest pain. 5  Dizziness. 6  Runny nose. 7  Wheezing. 8  Discomfort. 9  Blood in cough. 10  Loud noises while breathing.
Chronic lung conditions such as asthma, COPD, and interstitial lung disease may wax and wane in severity and can worsen quickly and markedly if another problem, such as a lung infection, occurs. Common symptoms of lung disorders include shortness of breath, coughing, noisy breathing, and chest pain. Some people, however, have only mild symptoms or none at all. In these individuals, the disorder may be detected by a physical examination, on a chest x-ray, or by a test to check lung function. Shortness of Breath