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12 Lead Contiguous Leads - Inferior Wall MI

12 Lead with Inferior In-fur Wall MI
Inferior wall myocardial infarctions describe inferior, true posterior, and right ventricular ischemic cardiac events. On a 12 contiguous lead ECG, we see pathologic Q-waves and ST-segment changes in lead II, lead III and lead aVF. These myocardial infarctions arise due to right coronary artery insult.
Lead II
(2) Tutu

Pathologic Q-waves and ST-segment changes can be seen in Lead II.

Lead III
(3) Tree

Lead III shows pathologic Q-waves and ST-segment changes.

Lead aVF

We also see pathologic Q-waves and ST-segment changes in lead aVF.

Right Coronary Artery (RCA)
Right Crown Artery

Insult to the right coronary artery (RCA) leads to the inferior wall myocardial infarctions, which include inferior, true posterior, and right ventricular infarctions.

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