CHAPTER XVI. 



THORACIC ANEURISM. 



ANEURISM OF THE AORTA. 



Pressure Symptoms on : CEsophagus, Trachea, 

 Bronchi, Veins, Nerves. 



ANEURISM OF BRANCHES. 



Innominate, Common Carotid, Subclavian. 



Aneurism of the Aorta. Pressure Symp- 

 toms, the result of this condition, may show them- 

 selves locally, or at distant points, and may be briefly 

 synopsised as follows : 



Pain ... . , ... Subject to exacerbations. 



Pressure on the CEsophagus .... Dysphagia. 



" " " Trachea Dyspncea. 



" " Veins, sup. vena 



cava, etc Cyanosis of head, neck and 



" Nerves. and upper limb. 



Pneumogastric . . i Disturbance of Cardiac 

 rhythm. 



2 Spasm or Paralysis of left 



vocal cord, hoarseness, 

 brazen cough, etc. (recur- 

 rent laryngeal). 



3 Loss of function of cough ex- 



citing and motor fibres of 

 the lung. 

 Sympathetic .... Vasomotor disturbances 



Disturbance of the pupil and of 

 the position of the eyeball. 



Intercostal Pain and possibly herpes zoster. 



" .. " Bones Erosion and pain. 



" " Pericardium and 

 fascia prolonged 



over aorta "Tracheal Tugging." 



" " Bloodvessels Pulse affected as follows : 



(a) Left subclavian Left pulse delayed. 



(b) Innominate Right pulse delayed. 



(c) Ascending aorta Both pulse delayed. 



(d) Innominateandascend- 



ing aorta Both pulse delayed, but the 



right more than the left. 



