Prior anteroseptal MICreated OnApril 19, 2020Last Updated OnApril 19, 2020byadmin You are here: Main ECG Prior anteroseptal MI < All Topics Table of Contents A differentials of poor R wave progression ECG findings: Deep Q waves in V1-3 with markedly reduced R wave height in V4. Residual ST elevation in V1-3 (“left ventricular aneurysm” morphology). Biphasic/inverted T waves in V1-5. Poor R wave progression (R wave height < 3mm in V3). Abnormal Q waves and T-wave inversion in I and aVL. The pattern indicates prior infarction of the anteroseptal and lateral walls
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