Wheezes - Monophonic Auscultation Reference

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heart lung sounds waveform patient normal speed
heart lung sounds waveform patient half speed

Lesson

For heart sounds listen to the synthetic sound while reviewing this lesson.

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.

The waveform(s) seen above are a chart of sound amplitude (loudness) on the vertical axis against time on the horizontal axis.


Listening Tips

A summary of the key aspects of this heart or lung sound.
Loud, continuous sounds occurring throughout the respiratory cycle. Expiration period is frequently longer. Heard over anterior, posterior and lateral chest walls.

Auscultation Method

maneuver
The recommended patient position is sitting
torso
For this sound, use stethoscope's diaphragm The recommended auscultation position for the stethoscope is posterior-3l



Relevant Courses

If you wish to review a complete mobile concerning Wheezes - Monophonic Auscultation Reference and related heart sounds, the modules(s) listed below may be useful. Each lesson includes text that explains the auscultatory sound and its clinical significance. The lesson also includes an audio track for playback. A waveform provides a great way to visualize the sounds. Finally, we also include an animation video. For heart sounds, the video illustrates heart muscle and valve movements along with blood flow. For lung sounds, the primary source of the sounds can be seen. Each module also includes a quiz.

Wheezes - Monophonic Auscultation Reference







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