Myocardial Infarction

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Last updated 6:57 AM on 9/18/26
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9 Terms

1
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Precordial leads and location

Over the heart, leads V1-V6

2
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Limb leads and location

On the limbs, leads I, II, III, AVF, AVL, and AVR

3
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Where to look for ST elevation

The J point (Between QRS complex and T wave)

4
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ST elevation definition

>1 mm ST elevation in any two contiguous leads (except leads V2 and V3 where ST elevation must be > 2 mm men and > 1.5 mm women)

5
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ST elevation in leads I, aVL, and V5-V6

Lateral wall MI, supplied by LMCA

6
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ST elevation in leads II, III, and aVF

Inferior wall MI, supplied by RCA

7
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Inferior wall MI at risk for what

RV infarct

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If RV infarct is suspected, what lead will have ST elevation and what should I do

Lead V1 - Get R sided EKG to see V2R-V4R

9
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ST elevation leads V1-V4 and V5-V6 is what MI and which artery is infarcted

Anteroseptal/lateral - L main coronary artery