CHAPTER \.\l\ 



I LINK \l. Al-I'i .1' \ l IONS OF I i.im UN PH 



mi: i BODS - 



In the follow ing chapl 

 us.- of the electrocardiogram, of pol 

 measurements. This is done to 

 employed for the accurate u 



ELECTROCARDIOGRAMS 



To obsen e I be electrical i -ita- 



tion wave over the heart from aui 

 to place the electrodes directly on th< 

 may follow the electrical change bj 

 to the rarfa< E the body. Prom such i 



remely importanl facts conci 

 in;i\ 1" tained. In order \>> mak< 



left eh placed In a solution i 



porous jars, immersed in larj 

 /nS( ) t and sine terminals. ; \ ■ 



be used. By manipulation 

 connected with the el< in tin 



right arm and l< no ; lead 2, inn 



nml left !• - Through lead 1 . I 

 t»r thai produced d 



he current will 

 lead :>, it \\ ill pass main 

 Wheil any par 



ed thai the b1 i ing 

 renl - from il 



movements of the 

 introducii 



* V 



1 

 ! 



