Anti-arrhythmics

Question 1

4 classes of antiarrhythmics

Answer 1

No Bad boy Keeps Clean

Na channel blockers
Beta blockers
K- potassium channel blockers
C- calcium channel blockers

Question 2

3 subclasses of Na channel blockers

Answer 2

1- Double quarter pounder
Disopyramide, procainamide, quinidine

2- Mayo Lettuce Tomato
Mexiletene Lidocaine Tocainemide

3- Fries Please
Flecanide propanefone

Question 3

Mech of Beta Blockers

Answer 3

Decrease Cyclic AMP and Decrease Calcium

FLatten out Phase 4 of the Pacemaker AP

Question 4

How do K channel blockers work?

Answer 4

Decrease the slope of phase 3 myocyte AP graph and inc Refractory period

Question 5

2 most common potassium channel blockers

Answer 5

Sotalol and AMiodarone

Question 6

Amiodarone can cause

Answer 6

Pulm fibrosis, hepatotoxicity, thyroid problems

Question 7

Non-dihydropyridine calcium channel blockers work where?

Answer 7

Heart

Question 8

Non dihydro calcium channel blockers

Answer 8

Verapamil and Diltiazem

Question 9

How does adenosoine work

Answer 9

TOns of K out of cells thus hyperpolarizing the cell. Very short acting. Only lasts about 15 seconds