Lung Sounds Explained Fine Crackles 🫁 Sounds like: Loud crackling/bubbling sounds – “Snap, crackle, pop!” 🔍 Indicates: Inflammation or fluid affecting the alveoli. Coarse Crackles 🫁 Sounds like: Low-pitched, loud wet bubbling sounds – like shoveling rocks. 🔍 Indicates: Chronic bronchitis or pneumonia. Stridor 🫁 Sounds like: Harsh, high-pitched whistling or gasping – like a SEAL! 🔍 Indicates: Obstruction or narrowing of the airway. Rhonchi 🫁 Sounds like: Low-pitched, wheezing, or snoring s