Too Many Off-Track Beats Could Cause Symptoms, Heart Disease
DEAR DR. ROACH: I am a 77-year-old retired internal medicine physician. Last year I started to have asymptomatic PVCs. I also have prediabetes and mild high blood pressure. I am on 100 milligrams of Lopressor twice daily. I had a negative stress test. My cardiologist wants to reduce the frequency of the PVCs to less than 10%. Is there any good scientific rationale to this approach? — R.D. ANSWER: Premature ventricular contractions — PVCs — are early heartbeats. An average person might have 500 of them daily. You are having a great deal more than average: more than 10% of your ...