13 results
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockers⠀
Class II
Antiarrhythmic Medications ... - Sodium Channel ... agents - Potassium Channel ... agents - Calcium Channels ... #pharmacology #
Membrane Actions of Antiarrhythmic Drugs

#Membrane #Channels #Actions #Antiarrhythmic #Drugs #Medications #Pharmacology #Cardiology #Table
Drugs #Membrane ... #Channels #Actions ... #Antiarrhythmic ... #Pharmacology # ... Cardiology #Table
Antiarrhythmics - Sodium Channel Blockers
Subclasses, Mechanisms, Indications, Side Effects
la - Quinidine, Procainamide
lb - Lidocaine, Mexiletine
Ic -
- Sodium Channel ... #Sodium #Channel ... #Na #cardiology ... #pharmacology # ... table #comparison
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Antiarrhythmics ... 1 - Sodium Channel ... Block fast Na+ channels ... 4 - Calcium Channel ... Vaughan #Williams #Pharmacology
Class I Antiarrhythmics and their Key Pharmacologic Properties

Class IA = Quinidine, Procainamide, Disopyramide ("Quarter PounDer")
Class IB
Class I Antiarrhythmics ... Block fast Na+ channels ... on EKG • Na+ channel ... actions on K+ channels ... #Class1 #Antiarrhythmics
Drugs affecting the cardiac action potential. The sharp rise in voltage ("0") corresponds to the influx
Drugs affecting ... to the sodium-channel ... voltage-sensitive calcium channels ... #Cardiology #Antiarrhythmics ... #Classes #Effect
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics ... Pharmacology Summary ... inotropy) ACCP Cardiology ... @accpcardprn #Antiarrhythmics ... #Pharmacology #
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Antiarrhythmics ... Ib, Ic) - Na+ Channel ... III - K+ Channel ... IV - Ca2+ Channel ... #cardiology #pharmacology
Class III Antiarrhythmics - Potassium Channel Blockers - Indications and Side Effects
Amiodarone
 • Suppression of VT
Class III Antiarrhythmics ... - Potassium Channel ... a-flutter (when other drugs ... #Potassium #Channel ... #cardiology
Pharmacologic Treatments of Chronic Hypertension in Pregnancy
Central alpha-agonists
 - Methyldopa
 - Clonidine
Combined alpha- and beta-blocker
 -
Pharmacologic Treatments ... Non-dihydropyridine Calcium Channel ... Dihydropyridine Calcium Channel ... Management #Treatment #Pharmacology ... #HTN #Table #Drugs