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Your suspected myocardial infarction patient has exhibited ST elevation in Leads II, III, aVF on the electrocardiogram. What area of the heart do you suspect is being damaged?

A. Lateral wall
B. Inferior wall
C. Anterior wall
D. Septal wall

1 Answer

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Final answer:

ST elevation in Leads II, III, and aVF on an ECG indicates an inferior wall myocardial infarction, which is typically supplied by the right coronary artery.

Step-by-step explanation:

When interpreting an electrocardiogram (ECG), ST elevation in specific leads can indicate which region of the heart may be experiencing damage. An ST elevation seen in Leads II, III, and aVF typically points to damage in the inferior wall of the heart. This is because those leads look at the electrical activity from the viewpoint of the inferior aspect of the heart, where the right coronary artery typically supplies blood. Myocardial infarction (MI) can be further evaluated with blood tests for cardiac troponins and creatine kinase MB, which are released when heart muscle is damaged. Additionally, it should be noted that advances in ECG technology allow for greater portability and ease of diagnosis even outside of hospital settings.

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