TO YOUR GOOD HEALTH: Irregular heartbeat often can be normal
DEAR DR. ROACH: You recently used the term “abnormal irregular heartbeat.” I’ve had an irregular heartbeat for decades without seemingly ill effects. My doctors haven’t put any restrictions on my vigorous cycling or any other activities that I do at 84 years old. Does this mean that I have normal irregular heartbeats? Is there an implied difference by your use of “abnormal”? — S.B. ANSWER: The answer is more complicated than it might seem. A perfectly regular heartbeat is, perhaps counterintuitively, not normal. The heart should respond to subtle changes in chest ...