Advanced EKG patterns

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Advanced EKG patterns

• Upper Level Conference
• UNC Internal Medicine
• 10/21/09

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Basics

• Always examine an EKG systematically then come up
  with your interpretation

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What is the abnormality?

• LVH
• What are the criteria for LVH?

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What is the axis? What is the differential
diagnosis for that axis?
Left Anterior Fascicular Block 1. Criteria for
LAFB?
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Describe this rhythm using your tachycardia
algorithm
What rhythm is this? How do you know?
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Any regular wide complex tachydardia

• Brugada Criteria helps you discern between VT
  and SVT with aberrancy
• If ANY of the criteria are satisfied, its VT
• If NO criteria is satisfied, its SVT with
  aberrancy

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Brugada criteria

• Concordance in precordial leads
• R to S interval gt 100ms in a precordial lead
• AV dissociation?
• Morphology look like VT?

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Concordance (lack of RS complex in precordial
leads)
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What are the abnormalities?
What is the syndrome?
Brugada syndrome Inherited Na channel
abnormality, can lead to sudden death
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In summary

• Formal diagnosis of LVH
• LAFB and LPFB
• Approach to tachycardia
• Distinguish between VT and SVT with aberrancy
  Brugada criteria
• Brugada syndrome