1 66 SYNOPSIS OF VETERINARY 



Actions. — Same as Amyl Nitrite, but more prolonged. 



Amyl Nitrite by inhalation is slightly quicker in action but 

 not so prolonged in its effects. 



Spirit of Nitroglycerin is the most prompt and powerful 

 of all heart stimulants, showing its effects usually within three 

 to five minutes. 



It should be carried by every veterinarian. 



Uses. — It is best used in the official solution, but for dogs 

 may be carried in tablets or pills containing i-ioo of a grain of 

 glonoin. 



The spirit however is more dependable. 



It is of the greatest service wherever a prompt and power- 

 ful cardiac stimulant is required. 



In cardiac weakness from any cause; collapse; excessive 

 anaesthesia ; congestive chills ; high arterial tension from any 

 cause ; puerperal convulsions. 



In human practice it often proves of value when adminis- 

 tered twice or thrice daily in chronic interstitial nephritis. 



Is also used in poisoning by Hydrocyanic acid and other 

 heart depressing drugs. 



It is a good plan in cases of cardiac weakness to brace up 

 the heart with Spirit of Glonoin, then maintain the effect with 

 Tr.' Strophanthus. 



AGENTS EXCITING THE FUNCTIONAL ACTIVITY OF 

 THE CEREBRUM. 



CEREBRAL EXCITANTS. 



Drugs under this class are usually classed as antispasmodics. 



CAMPHORA— CAMPHOR. 



Occurs in colorless, translucent crystalline masses. Dose 

 of gum camphor : 



Horse, i to 2 drs. ; sheep and pigs, 10 to 40 grs. ; cattle, 2 to 

 4 drs. ; dogs, 1 to 10 grs. Is soluble 1 in 700 parts of water ; 1 

 in 4 of olive-oil, readily soluble in ether, alcohol, chloroform and 

 milk. To powder gum camphor, add from time to time, a few 

 drops of alcohol, 



