DEAR DR. ROACH: I recently had an EKG that showed first degree heart block and “inferior infarct, age undetermined.” What does that mean? What should I do to make sure it doesn’t get worse? I will be seeing a cardiologist in a few months to get an exercise stress echo. What is that?  — C.P. … Continue reading GOOD HEALTH: EKG test result may be a sign of heart block