A whooping cough is highly contagious and can occur simultaneously with COPD. This is distinctive of pertussis, or whooping cough. Whooping is a distinctive lung sound where a high-pitched gasp occurs after a bout of coughing. Whooping is a lung sound typically not heard with COPD. It generally is an indication that the airways have thickened with mucus and of bronchitis or COPD. Rhonchi is similar to wheezing but is lower pitched and sounds similar to snoring. Laryngomalacia (a condition that occurs in babies when the vocal cords soften).This is not necessarily a sign of COPD, but it can occur if something blocks the airway. This is a harsh squeaking noise that occurs with every breath, and the pitch may be high or low. Stridor can be a life-threatening emergency because it can indicate that something is blocking the airways. Either way, crackles indicate that there is likely fluid in the lungs. You may hear crackles described as “fine," meaning that they are shorter and higher in pitch, or “coarse” (lower in pitch). Crackling is often described as short rattling or clicking sounds, or even as short explosive sounds. Crackling Lung Sounds or Rales Lung SoundsĬrackling/rales is typically heard on inhalation, but it can also be heard on exhalation as well. An obstruction of the voice box or windpipe.Ģ.Gastroesophageal reflux disease (GERD). However, there are many other causes of wheezing, and these may include: The most common cause of wheezing is asthma or COPD. Typically, COPD occurs when there is something that is causing your airways to narrow, meaning that air is not flowing freely. Wheezing is a high-pitched sound that can be heard on inhalation or exhalation. Below are a few of the types of lung sounds that are heard in COPD patients. Certain sounds occur with more frequency than others.
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