Diseases of cattle, sheep, goats Diseases of cattle, sheep, goats and swine diseasesofcattle00mous Year: 1920 3D2 t>ERlCARDITlS. aneurism existed at the l)ase of the large arterial trunks. The lower pul- monary lobe is thrust upwards, and over the area of dulness pulmonary sounds completely disappear. When the heart is compressed by a large hydatid cyst or other lesion, the general and external symptoms are similar to those above described. Finally, one last symptom, which api)ears of some importance, may be mentioned. When animals suffering from pericarditis due to a foreign body are for
Diseases of cattle, sheep, goats Diseases of cattle, sheep, goats and swine diseasesofcattle00mous Year: 1920 3D2 t>ERlCARDITlS. aneurism existed at the l)ase of the large arterial trunks. The lower pul- monary lobe is thrust upwards, and over the area of dulness pulmonary sounds completely disappear. When the heart is compressed by a large hydatid cyst or other lesion, the general and external symptoms are similar to those above described. Finally, one last symptom, which api)ears of some importance, may be mentioned. When animals suffering from pericarditis due to a foreign body are forced to move, the beating of the heart becomes so tumultuous that it can no longer l)e counted, and even in a state of rest it may rise to Fig. 182.—Appearance of an animal suffering from pseudo-pericarditis (infra- pericardial abscess). The dotted outline indicates the space occupied by the heart, which is thrust upwards. 140 or 150 beats per minute. In cases of pseudo-pericarditis it rarely rises above 90 or 110. Diagnosis. The attempt to diagnose this condition accurately must not be regarded merely as a result of scientific curiosity. Under certain circumstances the diagnosis may be of very great importance. While the patient affected with pericarditis due to a foreign body is beyond all hope of recovery, certain cases of pseudo-pericarditis apj)ear amenable to treatment. The diagnosis, therefore, is of great importance, and the practitioner should spare no effort to confirm it, bearing in mind the symptoms enumerated, and remembering that the normal sounds of the heart never completely disappear. An aseptic exploratory puncture with a long, fine needle will some- times prove of great assistance.
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