MI Territory Map

Patient axes

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Walls

Culprit arteries

Dominance

Book patterns

What the ECG shows

Indicative Reciprocal Mirror

MI age

Acute, early

First hours · ST↑ + upright T

Lead groups, reciprocal leads and culprits follow Table 14-1 and the infarction squares in EKG Plain & Simple (4th ed.). V7–V9 placement follows standard posterior-lead practice. The heart is a teaching model: true orientation and artery courses, simplified shape. For learning only, not for diagnosis or patient care.