2230 results
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Phase I - Initial Repolarization ... Delays ventricular repolarization ... - Ventricular Repolarization ... Vaughan Williams Classification ... #Pharmacology #Classification
Action potential in cardiomyocytes
The action potential in typical cardiomyocytes is composed of 5 phases (0-4), beginning
phase Phase 0: Depolarization ... Phase 1: Early repolarization ... phase Phase 3: Repolarization ... Myocytes #Phases #Depolarization ... #Repolarization
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... prolong AV node repolarization ... interval (delays time repolarization ... prolong AV node repolarization ... #Pharmacology #Classification
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Vaughan Williams Classification ... Blockade • Slows depolarization ... Blockade • Slows depolarization ... Blockade • Slows depolarization ... VaughanWilliams #Classification
Action Potential: Depolarization and repolarization of a neuron

#ActionPotential #Depolarization #Repolarization #Neuron #Neurology #Pathophysiology
Action Potential: Depolarization ... and repolarization ... ActionPotential #Depolarization ... #Repolarization
Class I Antiarrhythmics and their Key Pharmacologic Properties

Class IA = Quinidine, Procainamide, Disopyramide ("Quarter PounDer")
Class IB
for the rapid depolarization ... • Slows depolarization ... involved in phase 3 repolarization ... • Prolongs repolarization
Major electrocardiogram findings induced by left ventricular hypertrophy (LVH)
An increase in left ventricular mass augments the
alteration in repolarization ... in left atrial depolarization
Congenital Heart Disorders - Classification and Differential Algorithm

- Amy Chung, MD, MSc @AmyChung 

#Congenital #Heart #Disorders
Heart Disorders - Classification ... and Differential Algorithm ... Disorders #Diseases #Classification ... #Differential #Algorithm
Approach to the Patient with Dysphagia - Classification Algorithm

#Dysphagia #Differential #Algorithm #Diagnosis #Classification
with Dysphagia - Classification ... Algorithm #Dysphagia ... #Differential #Algorithm ... #Diagnosis #Classification
Lupus Nephritis Classification Algorithm

#Lupus #Nephritis #Classification #Algorithm #diagnosis #differential #types #rheumatology #nephrology #renal
Lupus Nephritis Classification ... Algorithm #Lupus ... #Nephritis #Classification ... #Algorithm #diagnosis