Monophonic wheezes are loud, continuous sounds occurring in inspiration, expiration or throughout the respiratory cycle. The constant pitch of these sounds creates a musical tone. The tone is lower in pitch compared to other adventitious breath sounds. The single tone suggests the narrowing of a larger airway.

These lung sounds are heard over anterior, posterior and lateral chest walls. These sounds can be more intense over lung areas affected by partial obstructions.

After reviewing the sound, use the waveform and anatomy tabs for more information about this sound.

Wheeze - Monophonic
maneuver
Position: Chest wall
Maneuver: Sitting
Chestpiece: Diaphragm

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