1. Stable angina  (Trust Mark: Doctor-Reviewed)
Stable angina is chest pain or discomfort that typically occurs with activity or stress. The pain usually begins slowly and gets worse over the next few minutes before going away. It quickly goes away with medication or rest, but may happen again ...• Reviewer: Alan Berger, MD, Assistant Professor, Divisions of Cardiology and Epidemiology, University of Minnesota, Minneapolis, MN. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

2. Unstable angina  (Trust Mark: Doctor-Reviewed)
Unstable angina is a condition in which your heart doesn't get enough blood flow and oxygen. It is a prelude to a heart attack. Most people experience a feeling of chest discomfort or shortness of breath. See also: Stable angina; Variant angina.• Reviewer: Steven Kang, MD, Division of Cardiac Pacing and Electrophysiology, East Bay Arrhythmia, Cardiovascular Consultants Medical Group, Oakland, CA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.