the existing controversies on the pathogenesis of chagas ' heart disease can be simplified into two theories : ( 1 ) `` '' neurogenic '' '' which is concerned with the denervation of the ganglion cells of the heart ( chiefly parasympathetic ) , theoretically resulting in a relative sympathetic overdrive to the heart , and ( 2 ) `` '' immunoallergic '' '' , concerned with myocarditis , evoked by antibodies related to myocardial and/or parasite products .
C0018787
e hea
C0027061
to myocar