Highlights & Basics
- Unstable angina (UA) most commonly presents with chest pain and/or dyspnea, although atypical symptoms may be present.
- Initial risk stratification and management depends on the clinical features, ECG, and biomarkers (troponin).
- ECG typically shows ST segment depression and T-wave inversion; may show transient ST elevation, or may be normal.
- Acute management includes antiplatelet and antithrombotic therapy to reduce the extent of myocardial damage and complications.
- Long-term management includes reduction of risk factors and use of medication to prevent recurrence.
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Key Factors
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Definition
Epidemiology
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Citations
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Gulati M, Levy PD, Mukherjee D, et al. 2021 AHA/ACC/ASE/CHEST/SAEM/SCCT/SCMR guideline for the evaluation and diagnosis of chest pain: a report of the American College of Cardiology/American Heart Association Joint Committee on Clinical Practice Guidelines. J Am Coll Cardiol. 2021 Nov 30;78(22):e187-285.[Abstract][Full Text]
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