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Resources: Tools of the Trade: Auscultation
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Causes
of Decreased Breath Sounds
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- Airway obstruction
- Hyperinflation (emphysema)
- Obesity
- Pleural Effusion (accumulation of fluid in the pleural
spaces)
- Pneumothorax
- Shallow Breathing
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| Breath
Sounds |
- Crackles (or Rales) - Popping
or nonmusical, discontinuous sounds usually heard
during inspiration.
- Pleural (friction) rubs -
Loud nonmusical sounds heard both in inspiration and
expiration.
- Rhonchi - low-pitched musical
sounds usually heard during expiration.
- Stridor
- Whispered
Pectoriloquy (particularly
with respect to whispering)
- Wheezes
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| Breath
Sound Quality |
- Bronchial - Typically heard
over the trachea
- Bronchovesicular - Typically
heard over the mainstem bronchi
- Vesicular - Typically heard
over the lung
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Related
Links
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| NOTICE:
The information and tools for calculations are presented
as a free service of VentWorld for educational purposes only.
VentWorld does not guarantee the accuracy of this information
or resulting calculations and, in matters of patient care, VentWorld
strongly recommends that you verify the information and/or calculations
you make using such information. |
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