Differential diagnosis of Changas’ Disease are:
-idiopathic achalasia
-toxic megacolon due to inflammatory bowel disease or Clostridium difficile associated colitis
-sick sinus syndrome
-coronary artery disease
-congestive heart failure
-arrhythmia
-myocarditis due to coxsackie, toxoplasmosis, Mountain spotted fever,
-acute stage of rheumatic fever or malaria
-idiopathic achalasia
-toxic megacolon due to inflammatory bowel disease or Clostridium difficile associated colitis
-sick sinus syndrome
-coronary artery disease
-congestive heart failure
-arrhythmia
-myocarditis due to coxsackie, toxoplasmosis, Mountain spotted fever,
-acute stage of rheumatic fever or malaria