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 ...

Bradyarrhythmia is a type of heart arrhythmia. It is characterized by an abnormally slow and irregular heart beat. It may be a warning sign of an underlying heart health issue or another serious ...