AV Blocks

Question 1

First Degree AV Block PRI

Answer 1

> .20 Wider PRI

Question 2

2nd Degree AV Block Type 1 (Wenckebach) PRI

Answer 2

Lenthening PRI until dropping QRS before resetting

Question 3

2nd Degree AV Block Type 2 (Mobitz 2) PRI

Answer 3

PRI remains constant

Question 4

3rd Degree AV Block (Complete Heart Block) PRI

Answer 4

PRI is Irregular and RR is regular

Question 5

2nd Degree AV Block Type 1 (Wenckebach) R-R

Answer 5

R-R Shortens because they are irregular due to dropped QRS

Question 6

2nd Degree AV Block Type 2 (Mobitz 2) R-R

Answer 6

Regular when present

Question 7

3rd Degree AV Block (Complete Heart Block) R-R

Answer 7

R-R Regular