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Wheeze - Monophonic

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.

Patient Recording

patient heart or lung sound
Wheeze - Monophonic

Patient Recording - Half Speed

patient heart or lung sound
Wheeze - Monophonic

Position

Patient position
The patient's position should be sitting.

Listening Tips

Features:Loud, continuous sounds occurring throughout the respiratory cycle. Expiration period is frequently longer. Heard over anterior, posterior and lateral chest walls

Waveform (Phonocardiogram)

Authors and Sources

Authors and Reviewers


Sources

Return to Reference Guide Index Page
Wheeze - Monophonic | Lessons with Audio and Video | #145


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