Anti-Arrhythmics Part 1 (Names)

Question 1

What does the NaK CaB acronym represent?

Answer 1

Na+ = Class I K+ = Class III Ca2+ = Class IV B = Class II

Question 2

Which drugs are in Class I?

Answer 2

Lidocaine,mexiletine Flecainidine Procainamide/Quinidine

Question 3

Lidocaine

Answer 3

Class IB - Na+ channel - VTach

Question 4

Mexiletine

Answer 4

Class IB - Na+ - VTach

Question 5

What’s the problem with anti-arrhythmic drugs?

Answer 5

They are all pro-arrhythmic They are also dirty drugs with effects outside the cardiac system

Question 6

What are anti-arryhthmics typically used for?

Answer 6

Unstable tachyarrythmias refractory to other, less risky treatments.

Question 7

Flecainide

Answer 7

Class IC - Na+ - VT>>>>SVT

Question 8

Quinidine

Answer 8

Class IA-Na+ - VT>>>SVT

Question 9

Procainamide

Answer 9

Class IA-Na+ - VT>>>>SVT

Question 10

Amiodorone

Answer 10

Class III, K+, VT & SVT

Long QT

Question 11

sotalol

Answer 11

Class III, K+, VT & SVT

Long QT

Question 12

What drugs are Class III anti-arrythmics?

Answer 12

amiodorone

sotalol

Question 13

Class IV anti-arrythymics

Answer 13

verapamil, diltiazem (Ca2++)/SVT

Question 14

Class II anti-arrythymics

Answer 14

Metoprolol (Beta Blocker)

SVT