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Conduction Disorders
Conduction Disorders

Advanced Second Degree AV Block

February 15th, 2021


In advanced or 'high-grade' second degree heart block, multiple beats are blocked and it is difficult to distinguish between Mobitz type I and II.
  • Look For

  • Two or more consecutive p waves without subsequent QRS complexes
  • May be in a 3:1, 4:1 or higher pattern
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