EKGs

Question 1

A fibrillation

Answer 1

Absent p waves

Question 2

First degree AV block

Answer 2

All QRS complexes are maintained but PR interval is abnormally prolonged

Question 3

Second degree AV block

Answer 3

Regular p waves with occcasionally missing QRS complexes

Question 4

Mobitz Type 1 (Wenckebach) second degree AV block

Answer 4

progressive prolongation of PR interval before QRS complex dropout

Question 5

Mobitz Type 2 (Wenckebach) second degree AV block

Answer 5

do not show this progressive PR interval prolongation

Question 6

Third degree AV block

Answer 6

Complete p-wave/ QRS complex dissociation