Bundle branch block. Flashcards
1
Q
Right bundle branch block signs?
A
M shaped QRS in V1 (rSR in V1)
W shaped QRS in V6 (qRs in V6)
2
Q
Left bundle branch block signs?
A
W shaped in V1
M shaped QRS in V6
3
Q
What causes new onset LBBB?
A
Myocardial infarction.
4
Q
What bundle branch block has a dominant S wave in V1?
A
Left bundle branch.
5
Q
What bundle branch block has a dominant R wave in V1?
A
Right bundle branch block (R and R)
