Joint replacement surgery might seem fairly routine in today's on-demand health care system. The added risk for blood clots in the lungs following knee operations can add an extra complication.

It's been known that low blood pressure while undergoing kidney dialysis is linked to some nasty side effects. Now the risk of blood clots has been added to that expanding list.

Patients with acute coronary syndromes often must resort to stents or balloon angioplasty to relieve artery constriction. Now the European Society of Cardiology is suggesting new strategies to minimize bleeding during such procedures.