ACTION OF CYANIDES 



445 



Set tlie tube aside and see whether or not clotting occurs. 

 What action have cyanides on the coagulation of blood! 

 How is this brought about! 



Draw off another five cubic centimeters of blood and 



Fig. 350. Myocardiographic and blood-pressure tracings showing the action of 2 c.c. of a 



dilute sodium cyanide solution. 



