Understanding When Angioplasty and Stenting Are Necessary? Cardiac problems can remain hidden for years before causing serious emergencies. People often feel scared or uncertain when a heart intervention is suggested. When is angioplasty and stenting actually required? is an important question because not every heart blockage requires immediate intervention. At https://share.evernote.com/note/3ac922b7-540d-6ed2-6773-6be70484c11e