ill I'll, M 



place w here the ai ri\ i hat d 



obtained from tin- left ventricle, bu n the) lependcnt uj 



relationship of the part to the Pnrkinje til" l 



FIBRILLATION OF THE HEART 



Ventricles 



'I'lif e> <-n Bpread of the w a-, i I ion o 



the uniform excitabilitj of the muscular fibers If 

 lar til'tis. or bundles "t' I tabilit; 



others, then, when the Btimulua I atracl arrives, it will not p 

 a oniform contraction of neighboring bundles, and ccord 

 the cardiac musculature will '-ri\<- place t.» a confused mo I in \\ 1 



each pari of the In-art is contracting independent^ of tl • 



Uation, or delirium cordis, as it is called, can be p 

 variety of experimental methods, rach, for exam] timulat 



the ventricles with induced electric Bho r bj 



branch of the coronary artery, or by the injection of lycopodium 



circulation, or by mechanical stimulation of thi 

 in the region of the auriculoventricular bundle. 



Fibrillation of the ventricles is undoubtedly a common 

 in man, for of course the confused movements make the venl - in- 

 capabh ting on the <-<>iitfnts of the In-art. It is 



which can probably never I"- recovered from in the higher anims 

 it is of ii .'■ thai the ease with which it is s.-t up . 



application of an electric stimulus va a marked in <li' 



<-iit animals, and thai in those hearts in which fibrillation can I 

 ited only with difficulty, •■ can usually i 



•t by meai cold and then allowing it U 



dministration pinephrim * the I 



this way, thai of the ral been found t.i be most r< ila- 



tion ; then in order come thi 



I od pea t : 1 1 tin- hi 



affected Fibrillation utricle is uiulou 



death in mosl >. Cut 



■ 1 that, w In 

 alternating current produces ventricular fibril 

 tin* lower animals, at least in t ; 

 doI do 

 in produced by a u 



• ly. ho 



