ECGs

Question 1

Where are anteroseptal infarcts seen and what is the corresponding vessel?

Answer 1

• V1-V4

- LAD

Question 2

Where are anterolateral infarcts seen?

Answer 2

• V1-V6 and aVL

Question 3

Where are inferior infarcts seen and what is the corresponding vessel?

Answer 3

• II, III, aVF

- RCA, less commonly Circumflex

Question 4

Where are lateral infarcts seen and what is the corresponding vessel?

Answer 4

• V5-V6 and I, aVL

- Circumflex

Question 5

Where are posterior infarcts seen and what is the corresponding vessel?

Answer 5

• ST depression in V1-V4
• Dominant R wave in V1-V2 represents posterior Q wave
  Vessel: RCA

Question 6

What ECG pattern is seen in right heart strain?

Answer 6

• S wave in lead I
• Deep Q wave and TWI in lead III
• can get TWI elsewhere

SI QTIII