Advanced Second Degree AV Block | Conduction Disorders - MedSchool
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Conduction Disorders

Advanced Second Degree AV Block



  • 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
Last updated on November 15th, 2019