Intermediate Lung Sounds Wheeze - Polyphonic - Auscultation Lesson Polyphonic wheezes are loud, musical and continuous. These breath sounds occur in expiration and inspiration and are heard over anterior, posterior and lateral chest walls. These sounds are associated with COPD and more severe asthma. Listen The patient's position is sitting. Visualize LessonsVesicular - Diminished.Bronchophony - Healthy 138.Bronchophony - Abnormal.Egophony - e 140.Egophony - a 141.Whispered Pectoriloquy - Healthy.Whispered Pectoriloquy - Abnormal.Wheeze - Expiratory.Wheeze - Monophonic.✓Wheeze - Polyphonic.Crackles - Early Inspiratory (Rales) 147.Crackles - Late Inspiratory (Rales).Stridor.Sign in to enable progress reports and certificates.