ECGpedia

Inferior MI

Revision as of 20:57, 22 July 2007 by Drj (talk | contribs)
This is part of: Myocardial Infarction

ST elevation in II, III and aVF

This part of the heart muscle lies on the diaphragm and is supplied of blood bij the right coronary artery (RCA) in 8% of patients. In the remaing 20% the inferior wall is supplied by the ramus circumflexus(RCX).

An occlusion of the RCA can be distinguished of a RCX occulsuion on the ECG: in a RCA occlusion, there is ST depression in I and AvL and the ST-elevation is higher in III than in II. If the elevation is higher in II, suspect a RCX occlusion.

Examples

  • A typical example of an inferior wall infarction.]]

  • Inferior-posterior MI due to RCA occlusion

  • Inferior MI due to RCA occlusion

  • Inferior MI due to RCX occlusion

  • Posterior-lateral MI due to RCX occlusion

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