over 1 million nursing students trust simple nursing to help them pass nursing school and the endx so head over to simplenursing.com YouTube to join them in their success let's talk about abnormal lung sounds wheezes are heard when Airways are narrowed creating a high pitch musical sound that is continuous and heard on both inspiration and [Music] expiration Striders are most commonly occurring in the inspiration and sounds like a high pitched wheezing that is caused by a blockage of air flow in the larynx or even the trachea now crackles can be fine or coarse and are intermittent or brief fine crackles can be cleared by coughing and sounds like hair moving through [Music] fingers horse crackles sound like wet bubbling sounds now ronai are continuous low pitch sounds heard on inspiration and expiration and can be simply cleared with a cough they sound like snoring caused by a narrow [Music] Airway now plural friction rub which is commonly confused with coarse crackles is a harsh leathery sound kind of like walking through fresh snow caused by inflammation of the plura now it is heard on both inspiration and expiration and can be continuous or intermittent looking to cut your study time in half head on over to simple nursing.com youout you can sign up for free and get access to all of this