0(T 



RHEUMAT[.SJI. 



Certain joints, often a pair, appear swollen, hot and painful. The 

 synovial sacs are distended, and in the upper joints of the limb appear 

 much more prominent than in the lower. When the patients are still 



Fig. 50. — Young bull suffeimg fiom mfectious iheumatibiu. 



oc- 



able to move they walk on three legs, but usually they remain lying 

 permanently, and if aroused show great difficulty in rising and very 

 acute pain in moving. 



General disturbance is also very marked ; the temperature varies 

 between 103° and 105° Fahr. The animals are dull, have no appetite, and 



exhibit intense thirst. The 

 pulse rate and respirations 

 are increased, and not un- 

 commonly symptoms of grave 

 visceral complications, such 

 as endocarditis, pleurisy, 

 pneumonia, etc., can be de- 

 tected. Diarrhceic enteritis 

 sometimes appears as a 

 secondary development. 



The animals remain per- 

 manently lying down. They 

 can only be induced to rise 

 with difficulty, and, when 

 moved, exhibit very acute 

 pain. 



In many cases the disease then takes a rapid course and ends 

 fatally. Death is the usual termination whenever any of the above- 

 mentioned visceral complications exist. Itecovery is exceptional. In 



Fig. 51. — Attitude when walking of a calf 

 suffering from infectious rheiunatism. 



