Doctors could save lives by prescribing cheap beta blockers to surgery patients at risk of heart attacks. iStockphoto.com hide caption itoggle caption iStockphoto.com Shots - Health News Cheap Pill May Save Lives When Given Before Surgery September 29, 2010 A new study shows beta blockers cut the risk of a heart attack for patients at risk during surgery. The cost? $1 per patient. But only half of hospitals offer the drugs to at-risk patients.