Changes

: [[Stent]]s are usually used for people with [[Coronary Heart Disease]] where there [[Coronary Arteries]] have become blocked by [[Cholesterol Plaque]]s.

: If a [[stent]] is not used when it is needed then a [[Coronary Artery]] can become blocked and starve the [[heart]] [[muscle]]s of [[oxygen]], causing a [[Cardiac Arrest|heart attack]].