PR interval pathologies Flashcards
1
Q
1st degree heart block
A
Increased PR interval of over 5 little squares

2
Q
2nd degree Wenkebach
A
PR interval increases until one is missed
No sinus rhythm

3
Q
2nd degree Hay
A
Constant PR interval but a ratio of P to QRS complexes

4
Q
3rd degree - complete heart block
A
AV dissociation
Constant rhythm but going at different times

5
Q
Wolf Parkinson White
A
Short PR and delta wave
Due to accesory pathway
