Proportionality is a major element in the ECG Diagnosis of OMI.
Dr. Smith's ECG Blog
DECEMBER 13, 2023
This middle aged patient presented with chest pain: What do you think? There is VERY low voltage. There is some ST Elevation, but it is MINIMAL. But look how small the QRS is!! Let's stretch out the QRS vertically so it is not so tiny: On upper left is the original. On the right are the precordial leads stretched vertically, so that the QRS is not tiny.
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