The sinus of your heart has nothing to do with your nose as you might guess; it’s a structure in the right atrium where blood ...

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 ...

Minimizing atrial pacing does not alter the risk of atrial fibrillation (AF) associated with sinus node dysfunction (SND), suggest results of a trial that randomly assigned patients with SND who had ...

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 ...

University of Iowa researchers and colleagues in France have identified a gene variant that causes a potentially fatal human heart rhythm disorder called sinus node disease. Also known as "sick sinus ...

The identification of nearly a dozen ion channel genes involved in the genesis of human atrial and ventricular arrhythmias has been critical for the diagnosis and treatment of fatal cardiovascular ...

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 ...