(A) A patient with anterior acute myocardial infarction with grade II ischaemia. (A) A patient with anterior acute myocardial infarction with grade II.

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Presentation transcript:

(A) A patient with anterior acute myocardial infarction with grade II ischaemia. (A) A patient with anterior acute myocardial infarction with grade II ischaemia. There is ST elevation in aVL and V1–V4. The J/R ratio is less than 0.5 in aVL (a lead with qR configuration and ST elevation). The S waves in leads V1–V4 are preserved. (B) A patient with anterior acute myocardial infarction and grade III ischaemia. There is ST elevation in leads I, aVL, V1–V3. There are no S waves in leads V2–V3 (see text). Y Birnbaum, and B J Drew Postgrad Med J 2003;79:490-504 Copyright © The Fellowship of Postgraduate Medicine. All rights reserved.