Former President Bill Clinton was admitted to the hospital on Thursday for a stent procedure after reporting chest pains. See a computer animation showing how angioplasty and stents work to open ...

A drug-eluting stent, or DES, is a small, metal mesh tube placed in a blocked coronary artery. The metal is coated in medicine and helps reopen your artery and keep it open. ‌ Stents are used to treat ...