in this lung sound video we're gonna discuss pleural rubs a pleural rub is often described as sandpaper rubbing against itself it's a very coarse sound it's a very noticeable sound and typically it's only in one place reasons you can hear pleural rub sounds would be things like pulmonary embolism pneumonias or anything that is going to have inflamed surfaces in the lungs sliding against one another that's the the cause for that sound is that sliding of the inflamed tissues across themselves [Music]