11 results
Membrane Actions of Antiarrhythmic Drugs

#Membrane #Channels #Actions #Antiarrhythmic #Drugs #Medications #Pharmacology #Cardiology #Table
Membrane Actions ... of Antiarrhythmic ... #Channels #Actions ... #Pharmacology # ... Cardiology #Table
Drugs affecting the cardiac action potential. The sharp rise in voltage ("0") corresponds to the influx
Drugs affecting ... the cardiac action ... to the sodium-channel ... voltage-sensitive calcium channels ... #Cardiology #Antiarrhythmics
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Antiarrhythmics ... CLASS 1 - Sodium Channel ... Block fast Na+ channels ... 3 - Potassium Channel ... Vaughan #Williams #Pharmacology
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 ... Nifedipine (long-acting ... #HTN #Table #Drugs
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 ... on K+ channels ... Agents #Cardiology
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 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
Ib, Ic) - Na+ Channel ... Class III - K+ Channel ... Blockade • Prolongs action ... 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
Sedative-Hypnotic Drugs
Benzodiazepines:
 - Bind to specific GABAA receptor subunits at central nervous system (CNS) neuronal synapses
GABA-mediated chloride ion channel ... GABA-mediated chloride ion channel ... GABAA receptors, acting ... #medications #pharmacology ... #comparison #table