It usually occurs from a virus and can lead to chest tightness, wheezing, coughing up mucus, and difficulty breathing. It involves inflammation in the air sacs of the lungs and can cause difficulty breathing and coughing up mucus.īronchitis is an inflammation of the lining of the bronchial tubes, which carry air to and from the lungs. Pneumonia is an infection in one or both lungs caused by bacteria, viruses, fungi, or parasites. The most common causes are lung infections, such as pneumonia and bronchitis. What causes atypical bronchial breath sounds?Ītypical bronchial breath sounds can indicate various underlying conditions. Amphoric sounds indicate damage to the alveoli, the air sacs within the lungs. Conditions that can trigger cavernous or hollow sounds include:Īmphoric sounds involve atypical bronchial breathing, which leads to loud echoing sounds with high pitched overtones. These are low pitched bronchial breath sounds. Mediastinal tumor : This refers to a tumor in the chest between the two lungs.Atelectasis : This involves someone having a collapsed lung.Pulmonary fibrosis : This presents as damage and scarring of the lung tissue, which typically occurs in lung diseases.Adventitious (or abnormal) sounds - These include wheezes, coarse crackles, fine crackles, and rhonchi. Pleural effusion : This refers to excess fluid in the tissue layers, or pleura, surrounding the lungs. Breath sounds can be classified into the following two broad categories 2, 3 : Normal breath sounds.

Consolidation : This happens when air pockets in the lungs fill with fluid.Some triggers or conditions that can produce the sounds include: There are three main types of bronchial breath sounds: tubular, cavernous, and amphoric.

Lung sounds crackles