PREVENTION, SYMPTOMS AND TREATMENT 207 



bag bound over the heart are most serviceable ; or the application 

 of cold compresses over the chest, changed every ten minutes in 

 warm weather. Failure of the pulse calls for stimulants, as whisky 

 (EL, gii-iii); digitalis, fluidextract, (H., 3i; D., tine: TTlx-xx) ; 

 strychnine (H., gr. i ; D., gr. 1/120-1/130) ; camphor (H., oi, ball; 

 D., 3ss, of spirit in water) ; ammonium carbonate (H., 3ii in ball; 

 D., gr. v in solution) ; one or more of which may be used and re- 

 peated every few hours as indicated. The action of the kidneys is 

 favored by sweet spirit of nitre (H., §i; D., 3ss) given with whisky 

 or in the drinking water. The bowels are kept open with enemata, 

 or oil by the mouth. 



As the crisis or stage of resolution comes on, with fall of 

 fever, stimulants are particularly indicated. They should never be 

 given until called for by a weak pulse. Overloading of the right 

 heart, as shown by feeble pulse, marked pulsations of the jugulars 

 and much cyanosis, is best relieved by venesection. 



The intravenous or subcutaneous injection of normal salt solu- 

 tion in pneumonia has proved of considerable value in human prac- 

 tice in cases marked by great depression due to toxemia. The 

 measure deserves trial in veterinary medicine. 



During resolution, expectorants — especially in broncho-pneu- 

 monia — are indicated, as the ammonium compounds, recommended 

 under bronchitis. During the whole course of broncho-pneumonia, 

 stimulating treatment is indicated, with good feeding, as it usually 

 arises in the course of exhausting infections. 



In delayed resolution, sodium iodide is useful (H., 3ii; D., gr. 

 x thrice daily). Bitters, as gentian and nux vomica with whisky, 

 are serviceable in sustaining the appetite in this stage. 



Polyuria of Horses — Diabetes Insipidus. 



Polyuria of horses generally follows the feeding of musty or 

 moldy oats, bran, hay, fermented fodder or the habitual use of 

 boiled food (Williams), and is apt to disappear with change of diet. 



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