Monday, December 18, 2017

Type I Block With 3:2 Conduction Changing to a 2:1 Conduction

This is the second patient that we have had like this in less than two weeks.  The patient was admitted with an ischemic stroke and has an underlying 1st degree heart block.  He has intermittent episodes of a type I block.  He begins with a second degree type I block with a 3:2 conduction and changes to a 2:1 conduction pattern.  For an interesting discussion of this, please see Vince DiGiulio's article The 12 Rhythms of Christmas: 2:1 AV-Block.

Type II block changing from 3:2 conduction to 2:1 conduction

 The patient has a brief period of complete heart block

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