Class III

Question 1

Class III

MOA-

Answer 1

Block potassium channels and slow the outward movement of potassium during phase 3 of the action potential

Question 2

Class III

Indications-

Answer 2

• Life threatening ventricular arrhythmias

- To maintain/stay in that rhythm after conversion from aflutter

Question 3

Class III

Names-

Answer 3

• Amiodarone (P)
• Dofetilide
• Sotalol

Question 4

Class III

Contraindications-

Answer 4

NONE

Question 5

Class III

Caution-

Answer 5

• Shock
• Hypotension
• Resp. depression
• Prolonged QT interval
• Renal/hepatic dz

Question 6

Class III

Adverse effects-

Answer 6

• N/V
• *Weakness
• *Dizziness
• *Arrhythmia
• Most common

Question 7

Class III

Drug-Drug

Answer 7

• Digoxin or Quinidine (increase risk of toxic effects)

- Other specific drugs- look them up