n Cardiovascular Journal of South Africa - The William Nelson ECG quiz

Volume 16, Issue 1
  • ISSN : 1680-0745



Extracted from text ... The William Nelson ECG Quiz This is the ECG of a 41-year-old woman. What should you request before your final DX? The answer is provided on page 35. The William Nelson ECG Quiz We sometimes worry about the accurate placement of precordial electrodes, but seldom consider accurate placement of the heart! This woman has advanced hyperinflation lung disease and her heart accompanies the low-lying diaphragm. The top tracing is consistent with age? anterior myocardial infarction. When the precordial leads are placed lower than normal - a 'precordial map' - the R waves reappear in leads V1-3 and remove the evidence of the MI. Answer ..

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