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Crackle Pitch Rises Progressively during Inspiration in Pneumonia, CHF, and IPF Patients
Objective. It is generally accepted that crackles are due to sudden opening of airways and that larger airways produce crackles of lower pitch than smaller airways do. As larger airways are likely to open earlier in inspiration than smaller airways and the reverse is likely to be true in expiration,...
| Autores principales: | , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Hindawi Publishing Corporation
2012
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3317011/ https://www.ncbi.nlm.nih.gov/pubmed/22530117 http://dx.doi.org/10.1155/2012/240160 |