Dr. Cooper in studio:Atrail fibrillation, fast walking, better way to measure triglycerides (see show notes for references)

    The number of Americans suffering from atrial fibrillation is soaring and the treatment varies from medication to a variety of surgical procedures. We'll discuss the latest options.    A new study shows that if you want to lower your blood pressure, walking is good, but fast walking is better.    Your triglyceride level helps a doctor predict the risk of heart disease. And this week two big studies indicated there may be a much better way of measuring triglycerides than the one they have been using. "Heart therapy strains efforts to limit costs.? The New York Times, July 7, 2007http://www.nytimes.com/2007/07/07/health/07heart.html?ex=1185336000&en=d636fe3ce0c28ce3&ei=5070  Fast walking is better for improving systolic blood pressure in older adults. www.medpagetoday.com, posted July 12, 2007http://www.medpagetoday.com/PrimaryCare/ExerciseFitness/tb/6145  "Blood triglycerides seen as heart attack predictor.? Reuters, July 17, 2007http://today.reuters.com/news/articlenews.aspx?type=healthNews&storyid=2007-07-17T215724Z_01_N17274797_RTRUKOC_0_US-HEART-TRIGLYCERIDES.xml  "Nonfasting Triglycerides and Risk of Myocardial Infarction, Ischemic Heart Disease, and Death in Men and Women.? Journal of the American Medical Association, Vol. 298 No. 3, July 18, 2007http://jama.ama-assn.org/cgi/content/short/298/3/299  "Fasting Compared With Nonfasting Triglycerides and Risk of Cardiovascular Events in Women.? Journal of the American Medical Association, Vol. 298 No. 3, July 18, 2007http://jama.ama-assn.org/cgi/content/abstract/298/3/309?maxtoshow=&HITS=10&hits=10&RESULTFORMAT=&fulltext=fasting+compared+with+nonfasting+triglycerides+and+risk&searchid=1&FIRSTINDEX=0&resourcetype=HWCIT