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STEMI Recognition Trick


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Here's a quick way to find the location of where an infarction is occurring on a 12 Lead. The SALLI method. This is a quick way to determine what part of the heart is involved in an infarction, as well as the reciprocal leads that you may observe in a STEMI.

S-V1,V2

A-V3,V4

L-V5,V6

L-I,AVL

I-II,III,AVF

S-Septal

A-Anterior

L-Lateral

L-Lateral

I-Inferior

Also, if you see elevation in multiple sites like ST-elevation in V1-V4, you are seeing atero-septal (A&L) involvement, or elevation in V3-V6 (atero-lateral) involvement.

I know there is another method that goes along the line of "I see all leads" but I figured I would offer another option. The only thing you have to remember is that the inferior region involves 3 leads as opposed the the others which involve 2.

This is important thing to consider when it comes to right sided MI's where you need to consider whether it is appropriate to administer nitro or fluid and let the Frank-Starling mechanism work to your advantage.

Enjoy and let me know what you think.

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