Intermediate Lung Sounds Bronchophony - Abnormal Lesson Waveform Video Ask the patient to say "99" several times while auscultating the chest walls. Over consolidated areas "99" is understandable. This is because acoustic filtering is reduced in consolidated lung tissue, which allows better sound transmission.Compare this breath sound to the recording in the "Bronchophony - Healthy" lesson. play pause Maneuver:Sitting Chestpiece Position:Chest wall Chestpiece:Diaphragm Table of Contents Introduction Vesicular - Diminished Bronchophony - Healthy Bronchophony - Abnormal Egophony - e Egophony - a Whispered Pectoriloquy - Healthy Whispered Pectoriloquy - Abnormal Wheeze - Expiratory Wheeze - Monophonic Wheeze - Polyphonic Crackles - Early Inspiratory (Rales) Crackles - Late Inspiratory (Rales) Stridor
