Ischemia Physiology Pulmonary 
Dr. Smith's ECG Blog
NOVEMBER 19, 2016
The patient was transported to the CCU for further medical optimization where a pulmonary artery catheter was placed. DISCUSSION: The 12-lead EKG EMS initially obtained for this patient showed severe ischemia, with profound "infero-lateral" ST depression and reciprocal ST elevation in lead aVR.
Dr. Smith's ECG Blog
OCTOBER 10, 2022
In terms of ischemia, there is both a signal of subendocardial ischemia (STD max in V5-V6 with reciprocal STE in aVR) AND a signal of transmural infarction of the inferior wall with Q wave and STE in lead III with reciprocal STD in I and aVL. The rhythm is atrial fibrillation. The QRS complex is within normal limits.
Dr. Smith's ECG Blog
DECEMBER 24, 2023
And superimposed subendocardial ischemia pattern, of course. Smith's ECG Blog — the presence of an almost “null vector” in standard lead I ( ie, P wave, QRS complex and T wave all under 2mm in size ) — is highly suggestive of longstanding and severe pulmonary disease. She was otherwise very stable during this rhythm.
Dr. Smith's ECG Blog
JULY 3, 2020
Either could be a result of myocardial contusion There is some minimal ST depression -- this could represent ischemia What else is there that could use therapy immediately? The estimated pulmonary artery systolic pressure is 49 mmHg + RA pressure. There is a very long ST segment resulting in a very long QT.
Dr. Smith's ECG Blog
APRIL 8, 2015
Evidence of acute ischemia (may be subtle) vii. Of the 67 patients who underwent targeted tests, suspected diagnoses were confirmed in 49 (73%) patients: aortic stenosis (n = 8, 1%), pulmonary embolism (n = 8, 1%), seizures/stroke (n = 30, 5%), and other diseases (n = 3). Left BBB vi. Pathologic Q-waves viii. LVH or RV d.
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