CHAPTER VIII. 
DISEASES OF THE HEART AND BLOOD VESSELS. 
It is very difficult to diagnose the diseases of the heart, 
and but few of them are influenced by treatment. For the 
sake of information rather than practical utility, we give 
this chapter. 
Diseases of the Endocardium. 
- The endocardium is a serous sac which surrounds the 
heart and secretes a fluid which keeps the heart constantly 
lubricated. 
HOW TO KNOW IT. 
A horse with this trouble will stand around with no in- 
clination to move, he will allow his head to hang down 
and will appear as if suffering. The pulse will be high, 
and upon placing the ear over the region of the heart a 
harsh, rasping sound will be heard. 
WHAT TO DO. 
The only thing we can do is to treat constitutionally 
with: 
PRESCRIPTION. 
Dit opinits OL. . « . 9. -< . 1 1-2 oulces 
