Surgery In making your decision to treat with procainamide, which of the following statements would be relevant? A Procainamide may worsen or precipitate hypehyroidism B Procainamide is not effective for atrial arrhythmias C Procainamide prolongs the effective refractory period in atrial and ventricular cells D Procainamide commonly induces thrombocytopenia 💡 Explanation In making your decision to treat with procainamide, which of the following statements would be relevant? ✓ Correct Answer: C. Procainamide prolongs the effective refractory period in atrial and ventricular cells