Procainamide

Question 1

Therapeutic Effects of procainamide

Answer 1

Suppress diastolic repolarization
Reduces automaticity of myocardial pacemakers
Slows intraventricular conduction

Question 2

Indications for procainamide

Answer 2

VFib or pulseless VTach that reoccurs after periods of non VFib rhythms

Question 3

Contraindications of procainamide

Answer 3

Complete or 1st degree block
CHF
Torsades de pointes
Pt with lupus or myasthenia gravis
Pt taking quinidine or disopyramide

Question 4

Side Effects of procainamide

Answer 4

Hypotension
Widening of QRS complex
Heart Block

Question 5

Adult Dose of procainamide

Answer 5

20mg/min up to 17mg/kg (loading dose)
1-4 mg/ml in pt with normal renal function

12mg loading dose and1mg/min if pt is in renal failure.