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

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(Created page with "800px '''Q: ECG of a 28 year old man with atypical chestpain. (Lead V3 is at V4R position). What is your diagnosis?''' <div style="padding-left:24px"> A. A...")
 
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Explanation (with the other images). The extremity leads were positioned wrongly in this example resulting in enlarged QRS  
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'''Explanation:'''
 
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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).
 

Revision as of 01:33, 17 May 2011

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Q: ECG of a 28 year old man with atypical chestpain. (Lead V3 is at V4R position). What is your diagnosis?

A. Antero-lateral MI

B. Pericarditis

C. Hyperkalemia

D. Wrong lead positioning

Answer:

D. Wrong lead positioning


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).