Answer - Case of the month (May 2011): Difference between revisions

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Explanation (with the other images). The extremity leads were positioned wrongly in this example resulting in enlarged QRS  
'''Explanation:'''
 
The extremity leads were positioned wrongly in this example resulting in enlarged QRS complexes and incorrect ST representation. The extremity leads were placed proximally on the chest (figure 1 lead_5). Correct lead positioning resulted in figure 2 (ECG_lead_3). The error could be reproduced, compare figures 3 and 4 (ECG_lead_1 and ECGlead_2).
complexes and incorrect ST representation. The extremity leads were placed proximally on the chest (figure 1 lead_5). Correct  
 
lead positioning resulted in figure 2 (ECG_lead_3). The error could be reproduced, compare figures 3 and 4 (ECG_lead_1 and  
 
ECGlead_2).