Latest Premature atrial contraction Stories
A commonly used heart monitor may be a simple tool for predicting the risk of atrial fibrillation, the most frequently diagnosed type of irregular heart rhythm.
DEAR DR. DONOHUE: I belong to a club that runs every day regardless of conditions. We run at least six miles. I am worried about running in hot weather and heatstroke. I have read that it can be deadly. I've brought this up to the 10 other runners, but they aren't concerned.