CHAPTER VII. 



OKGANS OF CIRCULATION. 



Acute diseases of the heart. Carditis. Pericarditis. Delafond, Leblanc, 

 and Dr Barclay on its diagnosis. Cases recorded by Mr Barrell and 

 Mr Litt. Endocarditis. Cases in cows recorded by Mr Go wing. En- 

 docarditis in the dog. Foreign bodies in the heart. Observations by 

 Camoin and Boizy. In the horse, ox, and other animals. Diseases of 

 the arteries. Arteritis. Embolism. Meaning of the term. Letter from 

 Mr John Barlow to Dr Gairdner. Case. Mysterious forms of lame- 

 ness. Errors of Diagnosis. A contrast. Aneurism. Virchow on 

 its production. Atheroma. Parasitic disease of the mesenteric arteries 

 A disease peculiar to aged horses. Observations in the Vienna School. 

 Injuries to the arteries. Diseases of the veins. Venous haemorrhage. 

 Phlebitis. Idiopathic and traumatic Adhesive and suppurative. 

 Fistula. Causes of obstructed veins External, especially in harness 

 horses Internal, chiefly as the result of phlebitis. Symptoms. Megrims. 

 Varicosity Local General. Phlebolites. Professor Simond's case. 

 Dr John Reid's observations. Diseases of the capillaries. Active and 

 passive bleeding. 



CARDITIS INFLAMMATION OF THE HEART. Under the 

 general title 'Inflammation of the heart/ all inflammatory 

 diseases of the central organ of circulation have been classified. 

 But when we consider that any part inflamed is inactive, it is 

 evident that only certain structures of this vital viscus must 

 at any time be involved. In fact, there cannot be a bonafide 

 case of carditis; that is to say, one in which the muscular 

 structure is throughout its whole substance involved in the 



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