General  Aktekiobclehosis  in  Chbonil-  Mvocarditis.  —  Halritm)
increase  in  tJie  arterial  blood-pressure  is  an  important  cause  ot  tkntat
myocarditis.  Prolonged  muscular  exertion,  toxic  substances,  and  arttri*
sclerosis  alone  or  associated  with  chronic  disease  of  the  fcidnej's  are  pofoil
factors.  The  changes  in  the  myocardium  develop  Rradually,  and  the  symp-
toms and  course  of  the  disease  are  not  different  from  those  of  the  ordinv;
form.  Middle-aged  men  who  have  lived  well  suffer  from  this  form  and  thr
early  symptoms  in  such  cases  are  usually  abdominal — fulness,  wttghl.
flatulence,  and  constipation.
Syphilis  of  the  Heaht. — Single  or  multiple  guminata  arfe  very  tvt.
Diffuse  interstitial  myocarditis  is  more  common.     Syphilis  of  the  bf«t
may  be  congenital  or  acquired.    In  the  acquired  form  it  is  usually  a  tertijiTj
manifestation.    The  condition  is  very  often  latent,  but  when  well  develop
it  corresponds  clinically  to  the  ordinary  form  of  chronic  myocarditis.
