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Crackle Lung Sounds-Rhonchi are coarse, loud sounds caused by constricted larger airways, including the tracheobronchial passages. These sounds occur during expiration, or both inspiration and expiration, but they do not occur in inspiration alone.
https://www.youtube.com/watch?v=z2Ra9UxndI0
Fine Crackle Lung Sounds-Fine crackles are heard with pulmonary edema, pulmonary fibrosis, and pneumonia; they are predominantly inspiratory and described as above. Coarse crackles are usually heard at the beginning of expiration and are characteristic of bronchiectasis.
https://www.youtube.com/watch?v=VIe350pTl8Q
All the different lung sounds
https://www.youtube.com/watch?v=KRtAqeEGq2Q
Wheezing Lung Sounds-Inflammation and narrowing of the airway in any location, from your throat out into your lungs, can result in wheezing. The most common causes of recurrent wheezing are asthma and chronic obstructive pulmonary disease (COPD), which both cause narrowing and spasms (bronchospasms) in the small airways of your lungs.
https://www.youtube.com/watch?v=n6YMiox1P1k
Strider Lung Sounds-Less musical sounding than a wheeze, stridor is a high-pitched, turbulent sound that can happen when a child inhales or exhales. Stridor usually indicates an obstruction or narrowing in the upper airway, outside of the chest cavity.
https://www.youtube.com/watch?v=vDdJo0RPKa8
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