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.
Symptoms of COPD. Inside the lungs, COPD can clog the airways and damage the tiny, balloon-like sacs (alveoli) that absorb oxygen. These changes can cause the following symptoms: 1  Shortness of breath in everyday activities. 2  Wheezing. 3  Chest tightness. 4  Constant coughing. 5  Producing a lot of mucus (sputum). 6  Feeling tired. 7  Frequent colds or flu.