RV Infarction

Question 1

List the criteria indicative of RVI in the presence of an inferior STEMI. (Note, not all are present)

Answer 1

• ST elevation in V1
  
  • ST elevation in V1 and ST depression in V2 (highly specific for RV infarction)
  • Isoelectric ST segment in V1 with marked ST depression in V2
  • ST elevation in III > II

Question 2

In R Ventricular infarction, which lead is the most telling, and how is it used?

Answer 2

V4R - placing the V4 electrode in the 5th right intercostal space in the mid-clavicular line