#153: AHA/ASA advisory on stroke prevention in AF; possible dabigatran, rivaroxaban antidotes work in vitro in human blood; lip-cancer risk raised by photosensitizing antihypertensives; paper disputes MI count in TRITON, RECORD, and PLATO; US government i

Summary: For the week ending August 10, 2012 we discuss the following top cardiology news from heartwire: • AHA/ASA advisory on stroke prevention in atrial fibrillation • Possible dabigatran, rivaroxaban antidotes work in vitro in human blood • Photosensitizing antihypertensives raise lip-cancer risk • New paper disputes MI count in TRITON, RECORD, and PLATO • US government investigates necessity of PCIs at HCA hospitals And also, in brief: • Consider dual-chamber pacemaker for sinus-node dysfunction or AV block, experts say • Scarring seen on MRI may predict ICD benefit better than LVEF • Improvements in lipids observed in US adolescents Join us for a comprehensive review of this week's most important cardiology news.