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J Am Coll Cardiol, 1999; 34:389-395
© 1999 by the American College of Cardiology Foundation
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Value of the electrocardiogram in localizing the occlusion site in the left anterior descending coronary artery in acute anterior myocardial infarction

Domien J. Engelen, MDa, Anton P. Gorgels, MDa, Emile C. Cheriex, MDa, Ebo D. De Muinck, MDa, Anton J. Oude Ophuis, MD*, Willem R. Dassen, PhDa, Jindra Vainer, MDa, Vincent G. van Ommen, MDa and Hein J. Wellens, MD, FACCa

a Department of Cardiology, University Hospital Maastricht, Cardiovascular Research Institute, Maastricht, The Netherlands
* Department of Cardiology, Canisius Wilhelmina Hospital, Nijmegen, The Netherlands



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  		Figure 1 ECG of a patient with an anterior AMI as a consequence of LAD occlusion proximal to both the first septal perforator and the first diagonal branch, showing characteristic ST{uparrow} in aVR, ST{uparrow} >0.25 mV in V1, ST{downarrow} in V5, inferior ST{downarrow} >0.1 mV and an abnormal Q-wave in aVL.

 


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  		Figure 2 ECG of a patient with an anterior AMI as a consequence of LAD occlusion proximal to the first septal perforator and distal to the first diagonal branch, showing characteristic ST{uparrow} in aVR, ST{uparrow} >0.25 mV in V1, probably ST{downarrow} in V5, ST{downarrow} in aVL and absence of ST{downarrow} in III and aVF.

 


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  		Figure 3 ECG of a patient with an anterior AMI as a consequence of LAD occlusion distal to the first septal perforator and proximal to the first diagonal branch showing characteristic abnormal Q-waves in V4, V5, V6 and aVL, ST{downarrow} >0.1 mV in III and absence of ST{downarrow} in II (and aVF).

 


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  		Figure 4 ECG of a patient with an anterior AMI as a consequence of LAD occlusion distal to both the first septal perforator as well as the first diagonal branch showing characteristic abnormal Q-waves in V4, V5 and V6 and absence of inferior ST{downarrow} in all inferior leads.

 
 
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