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Questions and Answers
Which type of acute coronary syndrome (ACS) is characterized by ST-segment elevation on the electrocardiogram?
Which type of acute coronary syndrome (ACS) is characterized by ST-segment elevation on the electrocardiogram?
- Non–STsegmentelevation ACS (NSTEACS)
- STsegmentelevation myocardial infarction (STEMI) (correct)
- Non–STsegmentelevation MI (NSTEMI)
- Unstable angina (UA)
What contributes to the development of atherosclerotic coronary artery plaques?
What contributes to the development of atherosclerotic coronary artery plaques?
- Endothelial dysfunction and inflammation (correct)
- Fatty streaks and fibrous caps
- Eventual myocardial blood flow decrease
- Plaque rupture and thrombus formation
What is the main cause of myocardial ischemia in acute coronary syndrome (ACS)?
What is the main cause of myocardial ischemia in acute coronary syndrome (ACS)?
- Thrombus formation
- Rupture of fibrous caps
- Inflammation and endothelial dysfunction
- Occlusion of atherosclerotic plaques (correct)
What type of plaque rupture typically leads to decreased myocardial blood flow and oxygen supply?
What type of plaque rupture typically leads to decreased myocardial blood flow and oxygen supply?
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Which classification of acute coronary syndrome (ACS) includes non–STsegmentelevation MI (NSTEMI) and unstable angina (UA)?
Which classification of acute coronary syndrome (ACS) includes non–STsegmentelevation MI (NSTEMI) and unstable angina (UA)?
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