heart block Flashcards
1
Q
what is a first degree heart block ?
A
PR interval > 0.2 seconds
2
Q
what is a second degree heart block
A
type 1 (Mobitz I, Wenckebach): progressive prolongation of the PR interval until a dropped beat occurs
type 2 (Mobitz II): PR interval is constant but the P wave is often not followed by a QRS complex
3
Q
what is a third degree heart block ?
A
there is no association between the P waves and QRS complexes
4
Q
auscultory features of first degree heart block ?
A
soft s1
5
Q
x
A
x
6
Q
x
A
x
7
Q
x
A
x
8
Q
x
A
x
9
Q
x
A
x
10
Q
x
A
x
11
Q
x
A
x
12
Q
x
A
x
13
Q
x
A
x
14
Q
x
A
x
15
Q
x
A
x
