MANUAL FOR STABLE SERGEANTS. 139 



434. Spasm of the diaphragm (thumps). A spasmodic con- 

 traction of the muscles of the diaphragm. 



Causes. Diseases of the digestive organs and over exertion. 



Symptoms. A convulsive jerking of the body, most marked in 

 the left flank, and frequently accompanied by a loud thumping 

 noise. Trembling, restlessness, distress, and yawning are seen in 

 some cases. 



Treatment. Place the animal in a quiet place where there is 

 plenty of fresh air, but free from drafts. Give stimulants and anti- 

 spasmodics such as aromatic spirits of ammonia, H ounces, and 

 cannabis indica, 2 to 4 drams in a pint of water. Repeat in one 

 hour if necessary. When the disease is caused by digestive disturb- 

 ances, treat as prescribed in chapter on diseases of the digestive 

 system. 



