While the patient whispers '1-2-3'....if this voiced sound is clearly understood, then the chestpiece is over an abnormal lung area. Use the slider to reveal the lungs with the abnormal area highlighted.
Skin and Ribs

Blended View


Move slider to reveal lungs

Voice high frequencies are more readily transmitted to the chest wall in abnormal lungs as compared to normal lungs.

Ask the patient to whisper "1-2-3" several times while auscultating across the chest walls. The lung area is abnormal if the "1-2-3" sound is understood. This is the abnormal '1-2-3'.

Compare this sound to the recording found in the "Whispered Pectoriloquy - Normal" lesson.