The standard technique for measuring blood pressure may not be good enough. /iStockphoto.com hide caption

itoggle caption /iStockphoto.com

A new drug called rivaroxaban may not require as many blood tests for patients with atrial fibrillation as the current drug on the market does. Libby Chapman/iStockphoto.com hide caption

itoggle caption Libby Chapman/iStockphoto.com