Arrhythmia Types Slow Fast Fast wide Fast narrow Too fast
Arrhythmia Types • Slow • Fast Fast wide Fast narrow Too fast
Arrhythmia-focused Therapy Fast Narrow Supraventricular tachycardias Re-entry type OrthodromiC SVT Automatic A.E.T Atrial Flutter JET
Arrhythmia-focused Therapy • Fast Narrow • Supraventricular tachycardias – Re-entry type • Orthodromic SVT – Automatic • A.E.T. , Atrial Flutter • J.E.T
Arrhythmia-focused Therapy Fast Wide (rare) Antidromic SVT or SVT with abberancy Ventricular tachycardia Inappropriate automaticity of ventricular or His-Purkinje tissue
Arrhythmia-focused Therapy • Fast Wide – (rare) Antidromic SVT or SVT with abberancy – Ventricular tachycardia • Inappropriate automaticity of ventricular or His-Purkinje tissue
Arrhythmia-focused Therapy Select one antiarrhythmic or a limited group of antiarrhythmics to treat the disorder
Arrhythmia-focused Therapy • Select one antiarrhythmic or a limited group of antiarrhythmics to treat the disorder
Antiarrhythmic Agents Vaughn-Williams Classification Class -Nat-channel blockers(direct membrane action) Class -Sympatholytic agents Class ll-Prolong repolarization Class IV- Cat+- channel blockers Purinergic agonists Digitalis glycosides
Antiarrhythmic Agents Vaughn-Williams Classification • Class I - Na+ - channel blockers (direct membrane action) • Class II - Sympatholytic agents • Class III - Prolong repolarization • Class IV- Ca++ - channel blockers • Purinergic agonists • Digitalis glycosides