Unstable angina
Unstable angina is chest pain that occurs at rest or with less and less exertion; the pain may become severe and last longer and it may not respond to nitroglycerin or rest.
Unstable angina is a change from stable angina-a pattern of predictable chest pain that is relieved by rest. Unstable angina is a warning sign that blood flow to the heart has become more impaired and that a heart attack may soon occur.
Unstable angina requires immediate medical evaluation.
| Author | Jeannette Curtis |
| Author | Caroline Rea, RN, BS, MS |
| Editor | Kathleen M. Ariss, MS |
| Editor | Susan Van Houten, RN, BSN, MBA |
| Associate Editor | Tracy Landauer |
| Associate Editor | Pat Truman |
| Primary Medical Reviewer | Patrice Burgess, MD - Family Medicine |
| Primary Medical Reviewer | Adam Husney, MD - Family Medicine |
| Primary Medical Reviewer | Kathleen Romito, MD - Family Medicine |
| Last Updated | May 25, 2007 |
WebMD Medical Reference from Healthwise
Last Updated:
May 25, 2007
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