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.
Signs and symptoms of lung cancer may include: 1  A new cough that doesn't go away. 2  Changes in a chronic cough or smoker's cough. 3  Coughing up blood, even a small amount. 4  Shortness of breath.5  Chest pain. 6  Wheezing. 7  Hoarseness. 8  Losing weight without trying.9  Bone pain.10  Headache.igns and symptoms of lung cancer may include: 1  A new cough that doesn't go away. 2  Changes in a chronic cough or smoker's cough. 3  Coughing up blood, even a small amount. 4  Shortness of breath. 5  Chest pain. 6  Wheezing. 7  Hoarseness. 8  Losing weight without trying. 9  Bone pain. 10  Headache.