11 results
Membrane Actions of Antiarrhythmic Drugs

#Membrane #Channels #Actions #Antiarrhythmic #Drugs #Medications #Pharmacology #Cardiology #Table
Membrane Actions ... #Membrane #Channels ... #Actions #Antiarrhythmic ... #Medications #Pharmacology ... #Cardiology #Table
Class I Antiarrhythmics and their Key Pharmacologic Properties

Class IA = Quinidine, Procainamide, Disopyramide ("Quarter PounDer")
Class IB
and their Key Pharmacologic ... Block fast Na+ channels ... on K+ channels ... #Pharmacology # ... Agents #Cardiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
, Intermediate Action ... Blockade, Fast Action ... inotropy) ACCP Cardiology ... Vaughan #Williams #Pharmacology ... pathophysiology #cardiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology ... , Intermediate Action ... inotropy) ACCP Cardiology ... Antiarrhythmics #Pharmacology ... pathophysiology #phases #cardiology
Drugs affecting the cardiac action potential. The sharp rise in voltage ("0") corresponds to the influx
affecting the cardiac action ... to the sodium-channel ... #Pathophys #Pharmacology ... #Cardiology #Antiarrhythmics ... #Classes #Effect
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Ib, Ic) - Na+ Channel ... III - K+ Channel ... Blockade • Prolongs action ... IV - Ca2+ Channel ... #cardiology #pharmacology
Antiarrhythmics - Sodium Channel Blockers
Subclasses, Mechanisms, Indications, Side Effects
la - Quinidine, Procainamide
lb - Lidocaine, Mexiletine
Ic -
Antiarrhythmics - Sodium Channel ... #Blockers #ClassI ... #Na #cardiology ... #pharmacology # ... table #comparison
Diagnosis and Management of Achalasia - ACG Guidelines

Who to suspect?
 • Patients presenting with progressive dysphagia
Management of Achalasia ... barium or the classic ... esophageal manometry (HRM ... Botulinum toxin • Pharmacologic ... : Calcium channel
Clinically Significant Cardiovascular Drug-Drug Interactions With OTC Supplements and Herbal Products
Angiotensin-Converting Enzyme Inhibitors (ACEIs)
 • Night-blooming
tachycardia Calcium Channel ... - Potentiates action ... - Potentiates action ... supplementals #herbal #pharmacology ... #DDI #table #cardiology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Renal Epithelial Channels ... Channel (Naturietic ... Heart Association class ... Diuresis #Nephrology #Pharmacology ... #Medications #Table