AEEEST OP HEMOEEHAGE 11 



JSow do you check hemorrhage by compression ? 



It is employed in capillary and parenchymatous bleeding 

 and ■vplien small vessels are cut. An exception to this rule is 

 made in very dangerous hemorrhages, when the course of the 

 vessel is either compressed with the finger (digital compres- 

 sion), or anything which is readily accessible is temporarily 

 crowded into the wound to compress the vessel. In these 

 cases, when possible, a string or rope, cloth, etc., is tightly 

 wound aronnd the parts to constrict the whole member until 

 cither means can be employed, as far as possible observing 

 antisepsis. 



What Tnaterial is used to compress the bleeding parts 9 

 Sterilized oakum, absorbent cotton, bandages. 



What is torsion and how does it act as a hemostatic ? 



It consists in seizing the vessel with an artery forceps 

 and twisting it six to eight times ; as a rule, it is used only 

 in smaller vessels. By twisting. the vessel around its own. 

 axis the intima and media become detached and curl up, 

 while the adventitia becomes twisted; the lumen of the vessel 

 thus becoming smaller or closed. 



Sow does the actual cautery act as a hemostatic f 



In smaller vessels the mere radiation of the dull-red 

 cautery causes coagulation, while an eschar is formed when 

 the cautery touches the bleeding end. It is mainly employed 

 in parenchymatous bleeding and hemorrhage from smaller 

 "vessels. 



Why is the actual cautery not a safe hemostatic in case a 

 larger artery is cut ? 

 Because the blood pressure against the eschar is greater 

 than the adhesive qualities of the eschar. 



