March 23, 2008 Healthweek: How hospitals ensure drug safety Play video

(NECN) - In this weeks Medical Masters segment we speak with Dr. Stephanie Moore, Cardiologist, Mass General Hospital.

She talks about the contaminated heparin scare and how hospitals work to ensure drug safety.

She also explains potentially fatal deep vein thrombosis-- or blood clots in your legs. How to prevent them and what the warning signs are.