Sunday, January 18, 2015

ECG Blog #103 (My ECG Guru Comments-1) - Acute MI Tracings

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As a source of tracings for practice and/or teaching — I have decided to LINK many of the ECGs I have commented on as Contributing Expert for ECG Guru (www.ecgguru.com)
  • NOTE: The ECG Guru is dedicated to providing free resources for ECG Teachers and their Students. Search the ECG Guru site if you ever are in need of cases on a particular subject.
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Regarding MComments on the ECG Guru:
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ECG for Comment #848  on the ECG Guru (Instructor Collection — posted 1/16/2015):
This ECG was obtained from a patient presenting to the ED (Emergency Department) with new-onset chest pain. Unfortunately No follow-up is available ...
  • How would you interpret this ECG — given that the patient has new-onset chest pain?
  • What is the "culprit" artery likely to be?
Figure-1: ECG obtained from a patient with new-onset chest pain.
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ECG for Comment #838  on the ECG Guru (Instructor Collection — posted 11/16/2014):
This ECG was obtained from a patient with chest pain. Unfortunately  additional details are not available ...
  • How would you interpret this ECG — given the not unexpected history of chest pain?
  • What is the "culprit" artery likely to be?
  • Do the ECG findings shown here suggest LMain "disease"?
Figure-1: ECG obtained from a patient with chest pain.
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ECG for Comment #823  on the ECG Guru (Instructor Collection — posted 8/29/2014):
This ECG was obtained from an 88-year old woman who presented to the ED (Emergency Department) in cariogenic shock. She apparently had been "ill" for several days prior to arrival in the ED.
  • What would you expect to find on cardiac catheterization? (Cath films are shown at the above link on ECG Guru).
  • Is all that you see on her ECG likely to be new?
Figure-1: ECG obtained from an 88-year old woman who presented in cardiogenic shock. What would you expect to find on cath?
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ECG for Comment #819  on the ECG Guru (Instructor Collection — posted 11/16/2014):
This ECG was obtained from a patient found to have LMain occlusion on cath. Unfortunately  additional details are not available ...
  • Interpret the ECG. How many abnormal findings can you detect?
  • Comment on the cath findings.
  • Can one distinguish on ECG between proximal LAD vs LMain occlusion?
Figure-1: ECG obtained from a patient with LMain occlusion. Are you surprised by this cath finding?
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ECG for Comment #801  on the ECG Guru (Instructor Collection — posted 7/5/2014):
The computer interpreted the rhythm for this tracing as, "AFib with PVCs"Unfortunately  additional details are not available ...
  • Do you agree with the computerized interpretation of the rhythm?
  • What else is going on?
  • Which arm should you check first on the patient? (ie, What is the likely source of the artifact?).
Figure-1: ECG with lots of artifact ... Is the rhythm AFib (as the computer says)? What else is going on?
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