Auscult Lungs

The assessment of abnormal lungs can be extremely difficult in the cow.   The reason for this is that they have a smaller area to auscult due to the reduced number of ribs and a steeper angle of the diaphragm.  The caudal border is the 11th rib.  Note the  area of auscultation that is outlined with tape in the picture to the left.  Caution:   Significant pathological lesions may be present without any abnormal lung sounds.    Observation of rate and effort is important during auscultation. Cattle normally have a costoabdominal effort.  The normal rate is 12 -36 bpm.  

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Copyright 1999-2001
New Bolton Center Field Service Department
Students:  Keith Javic - Class of 2003, C. Nikki Conroy - Class of 2003