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In Relationship to 12-Lead Electrocardiograms
Aorta Right  Coronary Artery Left  Main Artery Left Anterior Descending Circumflex Artery  Copyright  2005 Lippincott  Williams  & Wilkins
 
 
ST segment  represents the end of ventricular conduction or depolarization and the beginning of ventricular recovery or repolarization. The point that marks the end of the QRS complex and the beginning of the ST segment is called the “J Point.” A normal ST segment has these characteristics: Location:   extends from the S wave to the beginning of the T wave. Deflection:   usually isoelectric   ST segment J Point
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Copyright 2001 American Heart Association
Copyright  2001  American  Heart  Association
ST Elevation in Septal Leads V1 & V2
Copyright  2001  American  Heart  Association
ST elevation in Anterior Leads V3 & V4
Copyright  2001  American  Heart  Association
Copyright  2001  American  Heart  Association
ST elevation in  Inferior Leads II, III & aVF
Copyright  2001  American  Heart  Association
Copyright  2001  American  Heart  Association
Copyright  2001  American  Heart  Association
Copyright 2001 American Heart Association I  Lateral Circumflex Artery aVR V1  Septal Left Anterior Descending Artery V4  Anterior Right Coronary Artery II  Inferior Right  Coronary Artery aVL  Lateral Circumflex Artery V2  Septal Left Anterior Descending Artery V5  Lateral Circumflex Artery III  Inferior Right  Coronary Artery AVF  Inferior Right Coronary Artery V3  Anterior Right  Coronary Artery V6  Lateral Circumflex Artery

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Coronary Arteries & 12-Leads

  • 1. In Relationship to 12-Lead Electrocardiograms
  • 2. Aorta Right Coronary Artery Left Main Artery Left Anterior Descending Circumflex Artery Copyright 2005 Lippincott Williams & Wilkins
  • 3.  
  • 4.  
  • 5. ST segment represents the end of ventricular conduction or depolarization and the beginning of ventricular recovery or repolarization. The point that marks the end of the QRS complex and the beginning of the ST segment is called the “J Point.” A normal ST segment has these characteristics: Location: extends from the S wave to the beginning of the T wave. Deflection: usually isoelectric ST segment J Point
  • 6.
  • 7. Copyright 2001 American Heart Association
  • 8. Copyright 2001 American Heart Association
  • 9. ST Elevation in Septal Leads V1 & V2
  • 10. Copyright 2001 American Heart Association
  • 11. ST elevation in Anterior Leads V3 & V4
  • 12. Copyright 2001 American Heart Association
  • 13. Copyright 2001 American Heart Association
  • 14. ST elevation in Inferior Leads II, III & aVF
  • 15. Copyright 2001 American Heart Association
  • 16. Copyright 2001 American Heart Association
  • 17. Copyright 2001 American Heart Association
  • 18. Copyright 2001 American Heart Association I Lateral Circumflex Artery aVR V1 Septal Left Anterior Descending Artery V4 Anterior Right Coronary Artery II Inferior Right Coronary Artery aVL Lateral Circumflex Artery V2 Septal Left Anterior Descending Artery V5 Lateral Circumflex Artery III Inferior Right Coronary Artery AVF Inferior Right Coronary Artery V3 Anterior Right Coronary Artery V6 Lateral Circumflex Artery