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

#Membrane #Channels #Actions #Antiarrhythmic #Drugs #Medications #Pharmacology #Cardiology #Table
#Membrane #Channels ... #Actions #Antiarrhythmic ... #Drugs #Medications ... #Pharmacology # ... Cardiology #Table
Antiarrhythmics - Sodium Channel Blockers
Subclasses, Mechanisms, Indications, Side Effects
la - Quinidine, Procainamide
lb - Lidocaine, Mexiletine
Ic -
Antiarrhythmics ... - Sodium Channel ... Subclasses, Mechanisms, Indications ... Na #cardiology #pharmacology ... #table #comparison
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Antiarrhythmics ... reduce speed of ion ... accpcardprn #Antiarrhythmics ... Vaughan #Williams #Pharmacology ... Classification #Classes #pathophysiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics ... Pharmacology Summary ... reduce speed of ion ... #Pharmacology # ... Classification #Classes #pathophysiology
Common Medications Known to Prolong QTc
Antiarrhythmics - Amiodarone, sotalol, flecainide, quinidine, dronedarone, dofetilide
Vasopressors/inotropes - Epinephrine, norepinephrine,
Common Medications ... to Prolong QTc Antiarrhythmics ... #Causes #differential ... #diagnosis #pharmacology ... #table
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
Heparin) • Sodium-channel ... #hyperkalemia #differential ... #diagnosis #pathophysiology ... #pharmacology # ... potassium #medications
Sedative-Hypnotic Drugs
Benzodiazepines:
 - Bind to specific GABAA receptor subunits at central nervous system (CNS) neuronal synapses
channel opening ... channel duration ... Hypnotic #Drugs #medications ... #pharmacology # ... comparison #table