In an anterior STEMI pattern with ST elevation in V1–V4, which leads typically show reciprocal ST depression?

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Multiple Choice

In an anterior STEMI pattern with ST elevation in V1–V4, which leads typically show reciprocal ST depression?

ST-segment changes in myocardial infarction come with reciprocal changes in leads that view the heart from the opposite perspective. An anterior wall STEMI, indicated by ST elevation in the chest leads V1–V4, arises from the LAD territory. The opposite view of the heart is the inferior region, so the inferior leads II, III, and aVF show reciprocal ST depression. This pattern—anterior ST elevation with concurrent inferior ST depression—is a classic clue pointing to an anterior wall MI. The other lead groups reflect other regions (lateral or mixed territories) and don’t typically show the reciprocal pattern for an anterior infarct.

ST-segment changes in myocardial infarction come with reciprocal changes in leads that view the heart from the opposite perspective. An anterior wall STEMI, indicated by ST elevation in the chest leads V1–V4, arises from the LAD territory. The opposite view of the heart is the inferior region, so the inferior leads II, III, and aVF show reciprocal ST depression. This pattern—anterior ST elevation with concurrent inferior ST depression—is a classic clue pointing to an anterior wall MI. The other lead groups reflect other regions (lateral or mixed territories) and don’t typically show the reciprocal pattern for an anterior infarct.

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