EKG II- MI & Ischemia Chart

Question 1

Septal Wall Affected

Answer 1

ST elevation: leads V1, V2

Reciprocal ST depression: none

Suspected Artery: LAD

Question 2

Anterior wall

Answer 2

ST elevation: V3, V4

Reciprocal ST depression: none

Suspected Artery: LAD

Question 3

Anteroseptal Wall

Answer 3

ST elevation: V1, V2, V3, V4

Reciprocal ST depression: none

Suspected Artery: LAD

Question 4

Anterolateral wall

Answer 4

ST elevation: V3, V4, V5, V6, I, aVL

Reciprocal ST depression: II, III, aVF

Suspected Artery: LAD, LCX (circumflex)

Question 5

Extensive Anterior (anteroseptal w/lateral extension)

Answer 5

ST elevation: V1, V2, V3, V4, V5, V6, I, aVL

Reciprocal ST depression: II, III, aVF

Suspected Artery: LCA (L main coronary artery)

Question 6

Inferior wall

Answer 6

ST elevation: II, III, aVF

Reciprocal ST depression: I, aVL

Suspected Artery: RCA (R coronary) or LCX (circumflex)

Question 7

Lateral wall

Answer 7

ST elevation: I, aVL, V5, V6

Reciprocal ST depression: II, III, aVF

Suspected Artery: LCX circumflex

Question 8

Posterior (assoc w inferior or lateral but can be isolated)

Answer 8

ST elevation: V7, V8, V9 (pos leads)

Reciprocal ST depression: V1, V2, V3, V4

Suspected Artery: PDA (posterior descending) –> branch of RCA or LCX

Question 9

Right Ventricular (assoc w inferior)

Answer 9

ST elevation: II, III, aVF, V1, V4R

Reciprocal ST depression: I, aVL

Suspected Artery: RCA