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Questions and Answers
What term is used to describe the spectrum of acute coronary artery disease including unstable angina, non ST segment elevation MI (NSTEMI) and ST segment elevation MI (STEMI)?
What is the key difference between unstable angina and NSTEMI?
Why does unstable angina require immediate treatment?
How does the chest pain in unstable angina differ from stable angina?
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What is the characteristic description of chest pain in unstable angina?
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Study Notes
Acute Coronary Artery Disease
- The spectrum of acute coronary artery disease is referred to as acute coronary syndrome (ACS).
- ACS includes unstable angina, non-ST segment elevation myocardial infarction (NSTEMI), and ST segment elevation myocardial infarction (STEMI).
Unstable Angina vs NSTEMI
- The key difference between unstable angina and NSTEMI is the presence of myocardial necrosis, which is present in NSTEMI but not in unstable angina.
- Unstable angina lacks evidence of myocardial necrosis, whereas NSTEMI is characterized by elevated biomarkers of myocardial necrosis.
Treatment of Unstable Angina
- Unstable angina requires immediate treatment due to the high risk of progression to myocardial infarction.
Characteristics of Unstable Angina
- Chest pain in unstable angina differs from stable angina in that it is more severe, occurs at rest, and is not relieved by rest or nitroglycerin.
- The characteristic description of chest pain in unstable angina is that it is severe, prolonged, and occurs at rest, often with minimal exertion.
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Description
Test your knowledge of Acute Coronary Syndrome (ACS) with this quiz. Explore the pathophysiology, risk factors, and clinical presentation of unstable angina, non-ST segment elevation MI (NSTEMI), and ST segment elevation MI (STEMI).
