ACC, AHA update guidelines for beta blockers (USA)

"The use of beta blockers in patients undergoing noncardiac surgeries should be initiated well in advance of procedures and titrated up as blood pressure and heart rate allow, according to an update of guidelines from the American College of Cardiology, or ACC, and the American Heart Association, or AHA. Kirsten Fleischmann, M.D., M.P.H., associate professor of medicine at the University of California-San Francisco and chair of the group that reviewed new evidence on the perioperative use of beta blockers, said in a news release that physicians must be vigilant in assessing patients' cardiac risk and weighing that risk against potential side effects of therapy"