DISEASES OF THE RESPIRATORY ORGANS. 



405 



What to do. — If seen during the chill, put on blankets ; shelter from the 

 cold air, and give half a teacup of whiskey in a little water, and loUow 

 it with receipe No. 40, giving a dose every two hours till he is better; 

 set a pail of water before him, and feed lightly. Rub the liniment. No. 

 41, well in to the sides, and, after six hours, repeat it. When the 

 fever is broken, change the prescription to No. 18. When convalesence 

 is well established, give receipe No. 22. 



XII. Hydrothorax. 



Causes. — This is a filling of the chest with water, following pleurisy. 



How to know it, — The horse has been enduring great pain all through 

 the attack of active inflaniniation, but as soon as effusion bci^ins, and 

 the chest begins to fill with water, the i)ain is relieved ; he brightens up, 

 commences to eat, and is more comfortable, till the water floats the lungs 

 up and interferes with the breathing. Then the countenance becomes 

 haggard and anxious ; breathing short and fast ; breath cold, from shal- 

 low, bronchial respiration ; the extremeties aie cold ; pulse very high, 

 from 80 to 150 per niiiuite ; tapping on the sides will pioduce tiie solid 



CONGESTION OF l^UNGS. 

 Fore limbs apart and weU under body. Nostrils are flapping and the eye has a 



deadly stare. 



sound of a barrel full of water ; the ear placed to the side will fail to detect 

 the customary respiratory murmur; there will be lifting of the loins and 

 elevation of the back at each effort at insijiration, that is, drawing breath 

 in ; the ribs bulge outward ; dropsical swellings appear under the chest and 

 belly; the head is extended; there is flapping of the nostrils; regurgitation 

 of the blood in the veins; splashing of the water is heard in the chest when 

 it reaches the heart; the pulse gets smaller and smaller; breath shorter and 

 shorter, till he drops suffocated, as completely drowned as though he 

 were pitched into the lake. 



