9 results
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 ... Blockers #ClassI #Na ... #cardiology #pharmacology ... #table #comparison
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
CLASS 1 - Sodium Channel ... + channels to reduce ... + channel blocking ... channels ... Vaughan #Williams #Pharmacology
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 #
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 ... #Pathophys #Pharmacology ... #Cardiology #Antiarrhythmics
Class I Antiarrhythmics and their Key Pharmacologic Properties

Class IA = Quinidine, Procainamide, Disopyramide ("Quarter PounDer")
Class IB
Class I Antiarrhythmics ... + channels that ... + channel blockade ... actions on K+ channels ... Agents #Cardiology
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
(Ia, Ib, Ic) - Na ... + Channel Blockade ... Class III - K+ Channel ... Class IV - Ca2+ Channel ... #pharmacology
Class III Antiarrhythmics - Potassium Channel Blockers - Indications and Side Effects
Amiodarone
 • Suppression of VT
- Potassium Channel ... a-flutter (when other drugs ... #Potassium #Channel ... #Blockers #pharmacology ... #cardiology
Clinically Significant Cardiovascular Drug-Drug Interactions With OTC Supplements and Herbal Products
Angiotensin-Converting Enzyme Inhibitors (ACEIs)
 • Night-blooming
Cardiovascular Drug-Drug ... tachycardia Calcium Channel ... arrhythmias Class I Antiarrhythmic ... supplementals #herbal #pharmacology ... #DDI #table #cardiology