Introduction to 12-Lead
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1: You should always suspect an AV block when you have:
Tachycardia
Bradycardia
Irregularly irregular rhythm
Grouping
None of the above.
2: Mobitz I second-degree AV block is also known as:
Wegener’s
Waldo
Wenckebach
Wynona
None of the above.
3: Mobitz I second-degree AV block shows a pattern of progressing PR prolongation with a dropped beat. The R-R interval shortens at the same time that the PR prolongs.
TRUE
FALSE
4: In Wenckebach, the groups are usually:
2:1
3:2
4:3
5:4
Variable in length
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