|}} Rhonchi's the coarse rattling sound somewhat like snoring, usually caused by secretion in bronchial airways. Rhonchi's the plural form of the singular word rhonchus. Description It's an abnormal or adventitious sound heard when listening to the chest as the person breathes. They're present when an airway's partially obstructed owing to secretions, mucosal swelling, or tumor tissue pressing on the passage. The sounds are gurgling noises heard on auscultation of the lungs with a stethoscope d… (More on Rhonchi)