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.
Chest Congestion. Chest congestion is a common symptom of respiratory tract infections (like the common cold). Chest congestion is an accumulation of fluids and mucus in the lungs, which can cause symptoms of pain, discomfort, tenderness, coughing and difficulty breathing. Coughing is a way for your body to get rid of irritants in your airways or an accumulation of extra mucus thatâs stuck inside your lungs.