Cardiology

Question 1

Pulsless v-tach or v-fib

Answer 1

Unsynchronized cardioversion

Question 2

Hemodynamically stable v-tach (pt has a pulse)

Answer 2

amiodarone or defibrillator

Question 3

Hemodynamically unstable v-tach (pulse + hypotension, chest pain, confusion)

Answer 3

Synchronized cardioversion

Question 4

Hemodynamically unstable ACUTE a-fib/a-flutter

Answer 4

Synchronized cardioversion

Question 5

Treatment for chronic a-fib/flutter

Answer 5

1) Rate control: BB, CCB (diltiazem or verapamil)

2) Warfarin (or aspirin if low risk); ONLY DO HEPARIN BRIDGE IF THERE IS A CURRENT CLOT IN THE ATRIUM

Question 6

Treatment for hemodynamically unstable SVT

Answer 6

Synchronized cardioversion

Question 7

Treatment for stable but symptomatic SVT

Answer 7

adenosine

Question 8

Treatment for PSVT

Answer 8

Carotid massage or ice immersion

Question 9

What is the most accurate test for WPW?

Answer 9

electrophysiology studies

Question 10

Treatment for WPW

Answer 10

Procainamide or amiodarone

Question 11

Treatment for symptomatic sinus bradycardia and 1st degree AV block

Answer 11

Atropine

Question 12

Mobitz I vs II

Answer 12

I: longer longer drop; tx with atropine/improves with exercise

II: some ps don’t get through; tx with pacemaker