Rales, or crackles, are discontinuous, interrupted, or explosive lung sounds. They may sound like pulling velcro open. The sounds can be short and high-pitched, or they may last a bit longer and be lower-pitched. Your doctor is more likely to hear crackles when you’re breathing in, but...
However lung cancer will also cause abnormal breathing sounds, especially if the mass is at multiple sites or the tumor has grown to a substantial size. Foreign object(s) that lodge in the airway passages are more likely to occur in children and will cause pain, along with wheezing and ...
Stridor is a variably pitched respiratory sound, caused by abnormal air passage during breathing and often is the most prominent sign of upper airway obstruction. It is usually heard on inspiration (typically resulting from supraglottic or glottic obstruction) but also can occur on expiration (origi...