Antidysrhythmics

Question 1

Procainamide

Quinidine

Answer 1

Class IA

Adverse effects: hypotension, heart failure

Considerations: monitor BP
Monitor for widening of PR, QRS, QT intervals
Toxic adverse effects have limited use

Question 2

Lidocaine

Answer 2

Class IB

Adverse: slurred speech, confusion, drowsiness, confusion, seizures
Hypotension, bradycardia

Considerations: monitor for CNS adverse effects
Monitor BP and HR and cardiac rhythm

Question 3

Flecainide

Propafenone HCL

Answer 3

Class IC

Question 4

Propranolol

Esmolol hcl

Answer 4

Class II - Beta blockers

Adverse effects: bradycardia, hypotension
Bronchospasms
Increase in heart failure
Fatigue and sleep disturbances

Considerations: monitor apical HR, cardiac rhythm, BP
Assess for SOB/wheezing
Assess for fatigue/sleep disturbances
Assess APICAL HR FOR 1 MIN before administration

Question 5

Amiodarone

Ibutilide fumarole

Answer 5

Class III

Adverse: hypotension, bradycardia, AV block
Muscle weakness, tremors
Photo sensitivity/photophobia
LIVER TOXicity

Considerations: continuous monitoring of cardiac rhythm during IV admin
Monitor QT interval during IV admin
Monitor HR, BP during initiation of therapy
Wear sunglasses/sunscreen

Question 6

Verapamil

Diltiazem hcl

Answer 6

Class IV - Calcium channel blocker

Adverse: bradycardia, hypotension
Dizziness and orthostatic hypotension
Heart failure

Conditions: monitor apical HR and BP
Instruct clients about orthostatic precautions
Instruct clients to report signs of heart failure to health care provider