DEAR DR. ROACH: At age 76, I was diagnosed with sinus node dysfunction last year after several episodes of what I’d call being “spaced out” (for lack of a better term). I couldn’t explain these ...

What Is the Heart Conduction System? The heart conduction system is made up of cells, nodes, and signals that help your heart to beat. In fact, the cardiac conduction system is responsible for our ...

Dear Dr. Roach: I am an 84-year-old female in relatively good health. My doctor is concerned that my heart rate is too slow, consistently in the 50s. I have worn a Holter monitor and had an ...

Please provide your email address to receive an email when new articles are posted on . Rate-modulated pacing at 60 bpm did not reduce AF incidence vs. nonadaptive pacing at 40 bpm in patients with ...

Dear Reader: Your question reminded me of something that happened many years ago. A new patient came to my office. She told me that a colleague of mine had been her doctor, but she had stopped seeing ...

AMSTERDAM -- Reducing atrial pacing didn't help prevent atrial fibrillation (Afib, or AF) in patients with sinus node dysfunction but did increase risk of fainting, the DANPACE II trial showed. The ...

Dear Dr. Roach: At age 76, I was diagnosed with sinus node dysfunction last year after several episodes of what I’d call being “spaced out” (for lack of a better term). I couldn’t explain these ...

Q: I am an 84-year-old female in relatively good health. My doctor is concerned that my heart rate is too slow, consistently in the 50s. I have worn a Holter monitor and had an echocardiogram test.