ECG changes of ST-segment elevation with a large Q wave indicate thrombosis of which type, treated with an MI protocol?

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Multiple Choice

ECG changes of ST-segment elevation with a large Q wave indicate thrombosis of which type, treated with an MI protocol?

ST-segment elevation with a large Q wave points to a myocardial infarction caused by a thrombosis in a coronary artery. The ST elevation shows acute transmural ischemia, and as the infarct evolves, a large Q wave forms indicating established myocardial necrosis. This combination is classic for an MI due to coronary thrombosis from plaque rupture, which is why it’s managed with an MI protocol aimed at rapid reperfusion and antithrombotic therapy. Other conditions listed don’t produce this pattern or aren’t treated with the MI protocol. Pulmonary embolism, tamponade, and aortic dissection have different underlying problems and distinctive management, so they don’t fit the ECG picture described.

ST-segment elevation with a large Q wave points to a myocardial infarction caused by a thrombosis in a coronary artery. The ST elevation shows acute transmural ischemia, and as the infarct evolves, a large Q wave forms indicating established myocardial necrosis. This combination is classic for an MI due to coronary thrombosis from plaque rupture, which is why it’s managed with an MI protocol aimed at rapid reperfusion and antithrombotic therapy.

Other conditions listed don’t produce this pattern or aren’t treated with the MI protocol. Pulmonary embolism, tamponade, and aortic dissection have different underlying problems and distinctive management, so they don’t fit the ECG picture described.

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