DV Case 3 Answer: Difference between revisions

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#Is this [[Sino-atrial_exit_block|SA block]]?
#Is this [[Sino-atrial_exit_block|SA block]]?
#Is this [[AV_Conduction|AV-block (Wenckebach)]]
#Is this [[AV_Conduction|AV-block (Wenckebach)]]
#Is there an other cause fort the 2 pauses in this strip?
#Is there an other cause for the 2 pauses in this strip?
[[DV_Case_3_Answer|Answer]]
[[DV_Case_3_Answer|Answer]]
==Answer==
==Answer==
# In [[Sino-atrial_exit_block|SA block]] it is more difficult to appreciate the conduction delay as SA conduction is not presented on a surface ECG. SA block is seen as sudden duplication of the P-P interval, as is the case in 2:1 block, or more difficultly seen as progressive shortening of the P-P interval with a pause thereafter, in case of SA - Wenckebach block. (Definition of a Wenckebach block : decline in progression of the incremental delay).
# In [[Sino-atrial_exit_block|SA block]] it is more difficult to appreciate the conduction delay as SA conduction is not presented on a surface ECG. SA block is seen as sudden duplication of the P-P interval, as is the case in 2:1 block, or more difficultly seen as progressive shortening of the P-P interval with a pause thereafter, in case of SA - Wenckebach block. (Definition of a Wenckebach block : decline in progression of the incremental delay).

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