EKG tracings

Question 1

Afib

Answer 1

Tx: rate control, anticoag, possible cardioconversion

Question 2

Aflutter

Answer 2

Conversion to sinus rhythm:
class IA, IC, III antiarrhythmics

Rate control: beta blocker, CCB

Question 3

Vfib

Answer 3

CPR and defib

Question 4

AV block:

1st degree

Answer 4

PR > 200msec

Question 5

AV block:

2nd degree, Mobitz type 1

Answer 5

AKA Wenckebach

Progressive lengthening of PR till a beat is dropped.
Usually asympt

Question 6

AV block:

2nd degree, Mobitz type II

Answer 6

Dropped beats not preceded by a change in the length of the PR interval.

May progress to 3rd degree block,
Treat with pacemakers

Question 7

AV block:

3rd degree

Answer 7

Treated with pacemaker,

Lyme disease can result in 3rd degree heart block