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.
The oxygen-enriched blood from the lungs is then carried by the blood vessels to various parts of the body. If the heart's pumping capacity is affected by any ailment, the lungs may become congested. Fluid buildup in the lungs and the heart may give rise to symptoms such as cough, shortness of breath or wheezing. Coughing and Heart Failure. To understand how cough and heart conditions may be linked, one must first understand how the heart works. The human heart is divided into four chambers.