The hand against the chest will feel the beating of the heart, which is often irregular, sometimes violent, and in other instances weak, depending in part upon the quantity of fluid that has transuded into the pericardial sac.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
On the contrary, he complains in a number of places how very obscure and difficult of diagnosis are thoracic diseases and especially dropsy of the chest, pleuritic and pericardial exudates, and insists on the ease with which errors of diagnosis may be made in these subjects.
"Makers of Modern Medicine"
James J. Walsh
Sharp-pointed objects may penetrate the surrounding tissues or such organs as the spleen, diaphragm, and pericardial sack.
"Common Diseases of Farm Animals"
R. A. Craig, D. V. M.