Rate & Rhytm Ds

Question 1

Tx symptomatic sinus bradycardia

Answer 1

1) Atropine

2) pacemaker

Question 2

PR interval > 0.2 sec

Answer 2

First degree AV block

Question 3

2nd degree block. Mobitz type I ( Wenckenbach). Site if block

Answer 3

AV node

Question 4

PR interval progressively lengthens until beat is “dropped”

Answer 4

2nd degree mobitz type I block( Wenckenbach)

Question 5

2nd degree mobitz type II. Site of block

Answer 5

Infranodal

Question 6

PR interval usually of normal duration and consistent

Answer 6

2nd degree Mobitz type Ii block