4 quadrant method
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4 quadrant method

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  • Left Anterior Fascicular Block CausesChronic hypertensionAortic stenosisAortic root dilationDilated cardiomyopathyImpairment of the cardiac electrical conduction systemAcute myocardial infarctionLung diseasesAgingDegenerative fibrotic disease

4 quadrant method Presentation Transcript

  • 1. 12-Lead Electrocardiography a comprehensive course Adam Thompson, EMT-P, A.S.
  • 2. Quadrant Method• Much easier to do.• Faster and more practical for rapid interpretation.• Does not give you a very close estimate.
  • 3. Quadrant Method -90 ERAD LAD180 0 RAD Normal 90
  • 4. Quadrant Method aVF - ERAD LAD-I I+ RAD Normal aVF +
  • 5. Quadrant Method aVF - aVF - Negative QRS Negative Positive Complex in aVF-I QRS in QRS in I+ -I I+ Lead I Lead I Positive QRS Complex in aVF aVF + aVF +
  • 6. Axis Determination Quadrant method Thompson 66 ECG – 13 ECG – 14Is Lead I up or down?
  • 7. Quadrant Method aVF --I I+ aVF +
  • 8. Axis Determination Quadrant method Thompson 66 ECG – 13 ECG – 14Is aVF up or down?
  • 9. Quadrant Method aVF --I I+ aVF +
  • 10. Quadrant Method aVF - -90 ERAD LAD-I I+ 180 0 RAD Normal aVF + 90
  • 11. Quadrant Method
  • 12. Hexaxial Method Frontal Plane Axis Pathologiesepshasic lead.diagram.ar lead.itive or negative.
  • 13. Quadrant Method Lead I aVFNormal Positive (+) Positive (+) RAD Negative (-) Positive (+) LAD Positive (+) Negative (-)ERAD Negative (-) Negative (-)
  • 14. If all else fails…
  • 15. That’s It