INJURIES 



Injuries are mechanical, chemical, and mixed. Me- 

 chanical injuries comprehend wounds, contusions, abra- 

 sions, fractures, dislocations, &c. Chemical injuries are 

 caused by heat, the concentrated acids, caustic alkalies, 

 lunar caustic, corrosive sublimate, arsenic, &c. Mixed 

 injuries are caused by the bites or stings of mad dogs, 

 insects, &c. Also from inoculation. 



WOUNDS 



Are incised, contused, lacerated, punctured, gun-shot, 

 and poisoned. The first danger, especially in incised 

 wounds, is bleeding, the remedy for which is (1) a liga- 

 ture ; (2) a tourniquet or, what is better, a rubber band ; 

 (3) trickling water; (4) pressure (a compress if practica- 



Fig. 54. Kubber Bandage. 



ble) ; (5) styptics, such as tow, lint, matico, ergot, digi- 

 talis, ice, lead acetate. 



Blood from a vein is dark colored, and flows in an un- 

 interrupted and comparatively tardy stream. Ligatures 

 should be withdrawn in 10 or 14 days, or they will fes- 

 ter. Gut the thread. 



The bleeding stopped, the next thing after the removal 



