Classifying Sodium Channel Blockers

Which of the following is/are Class IA sodium channel blockers

• Quinidine and procainamide

• lidocaine

• Flecainide and propafenone

• propranolol, esmolol, labetolol

• amiodarone and sotalol

Which of the following is/are Class III antiarrhythmics

• Quinidine and procainamide

• lidocaine

• Flecainide and propafenone

• propranolol, esmolol, labetolol

• amiodarone and sotalol

Which of the following is/are class II antiarrhythmics

• Quinidine and procainamide

• lidocaine

• Flecainide and propafenone

• propranolol, esmolol, labetolol

• amiodarone and sotalol

Which of the following is/are Class IC sodium channel blockers

• Quinidine and procainamide

• lidocaine

• Flecainide and propafenone

• propranolol, esmolol, labetolol

• amiodarone and sotalol

Which of the following is/are Class IB antiarrhythmics

• Quinidine and procainamide

• lidocaine

• Flecainide and propafenone

• propranolol, esmolol, labetolol

• amiodarone and sotalol

Increase atrial refractory period, slow SA rate and conduction through the AV node

• Quinidine and procainamide

• lidocaine

• Flecainide and propafenone

• propranolol, esmolol, labetolol

• amiodarone and sotalol

Indications include: Rate control, for chronic treatment of ALL tachycardias, also MVO2 reduction (after MI & in HF); OK in HFrEF - demonstrated decreased hospitalizations and increased survival in HFrEF

• Quinidine and procainamide

• lidocaine

• Flecainide and propafenone

• propranolol, esmolol, labetolol

• amiodarone and sotalol

Which of the following is/are Class IB antiarrhythmics

• Quinidine and procainamide

• lidocaine

• Flecainide and propafenone

• propranolol, esmolol, labetolol

• amiodarone and sotalol

Indications include: For SVT and VTac, AFib and Aflutter if rate control (b-blockers or CCB) didn’t work; greatest likelihood of maintaining sinus rhythm, BUT serious potential side-effects;

• Quinidine and procainamide

• lidocaine

• Flecainide and propafenone

• propranolol, esmolol, labetolol

• amiodarone and sotalol

Which antiarrhythmic drug is used if amiodarone doesn't work for acute ischemic ventricular arrythmias (for example, post MI)

• Quinidine and procainamide

• lidocaine

• Flecainide and propafenone

• propranolol, esmolol, labetolol

• amiodarone and sotalol