Manual of Physical Diagnosis : for the Use of Students And Physicians
The book Manual of Physical Diagnosis : for the Use of Students And Physicians was written by author Tyson, James, 1841-1919 Here you can read free online of Manual of Physical Diagnosis : for the Use of Students And Physicians book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Manual of Physical Diagnosis : for the Use of Students And Physicians a good or bad book?
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They are usually the direct result of some partial obstruction to the onward movement of the air, for the most part NEW OR ADVENTITIOUS SOUNDS. 8 1 within the tube, but the narrowing may also be the result of extra tubal pressure. They are divided into moist or dry rales, according as the obstructing substance is liquid or the reverse. Both kinds are influenced by coughing and may often be thus completely removed, for the time being, by this act. When not thus influenced by cough- ing they are ...probably due to pressure from without. Dry Rales are sounds engendered in the moving air of the breathing tubes by any causes which narrow the lumen of the latter. Such causes are commonly adherent mucus or the swollen mucous membrane of the bronchi. Sounds produced in the tubes of large diameter, like the trachea, are musical, low pitched, and are called sonor- ous rales. Those produced in the small tubes are high pitched and hissing, and therefore called sibilant rales. Moist rales are caused by the passage of air through liquid, which may be blood, mucus, or serum.
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