16 arrhythmias2009

Cardiac Arrhythmias Liu Pin-Ming, M.D., Ph.D. Professor of Medicine Department of Cardiology Sun Yat-sen Memorial Hospital Sun Yat-sen University

[object Object],[object Object],Learning Objectives

Normal sinus rhythm ,[object Object],[object Object],[object Object],[object Object],[object Object]

Arrhythmias ,[object Object],[object Object],[object Object],[object Object],[object Object]

Clinical classification of arrhythmias ,[object Object],[object Object],[object Object],[object Object]

Mechanisms Responsible for Arrhythmias ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

A: Contractile cell B: Autorhythmic cell: spontaneous depolarization at phase 4 Transmembrane Potentials of Myocardial Cells

Alterations of normal automaticity Autonomic neurotransmitters

Triggered activity: Early/Delayed afterdepolarization

Re-Entry Mechanism ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Reentrant Arrhythmias ,[object Object],[object Object],[object Object],Necessitating 3 requirements

Diagnostic Approaches to Arrhythmias ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Management of Arrhythmias ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Vaughan Williams classification of antiarrhythmic drugs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Phase 4 Phase 0 Phase 1 Phase 2 Phase 3 0 mV -80mV II I III IV How about others: adenosine, digoxin?

Atrial fibrillation: Common Causes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Atrial Fibrillation: ECG Characteristics ,[object Object],[object Object],[object Object]

Atrial Fibrillation: Auscultation Features ,[object Object],[object Object],[object Object]

Atrial fibrillation: Clinical Considerations ,[object Object],[object Object],[object Object],[object Object],[object Object]

Atrial fibrillation: Classification and Management Strategies ,[object Object],[object Object],[object Object]

Atrial Fibrillation: Treatment ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Atrial flutter: Characteristics ,[object Object],[object Object],[object Object],[object Object]

Paroxysmal SVT —— AVNRT & AVRT: ECG Features ,[object Object],[object Object],[object Object],[object Object]

Paroxysmal SVT —— AVNRT & AVRT: ECG Features

Mechanism Responsible for AVNRT

Pre-excitation syndrome Abnormal connection between the atrium and the ventricle

Pre-excitation syndrome ECG Features ,[object Object],[object Object],[object Object],[object Object],11111

Mechanism Responsible for AVRT

Paroxysmal SVT: Treatment ,[object Object],[object Object],[object Object],[object Object],[object Object]

Radiofrequency Catheter Ablation

Premature Beats ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Normal AP Conduction in Ventricles Initiation site Normal conduction VPB conduction

Ventricular Tachycardia ,[object Object],[object Object],[object Object]

Ventricular Tachycardia ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Ventricular Tachycardia A54 year-old woman collapsed 24 hours post MI

Torsades de Pointes (TDP) ,[object Object],[object Object]

Torsades de Pointes Management ,[object Object],[object Object],[object Object],[object Object]

Ventricular Flutter / Fibrillation ,[object Object],[object Object],[object Object],[object Object]

Ventricular Fibrillation ,[object Object],[object Object]

DC Defibrillation ,[object Object],[object Object]

Sick Sinus Syndrome (SSS) ,[object Object],[object Object],[object Object]

Sick Sinus Syndrome (SSS) ECG Features ,[object Object],[object Object],[object Object],[object Object]

Pacemaker Implantation ,[object Object],[object Object],[object Object],[object Object]

Cardiac Arrhythmias Questions? ,[object Object],[object Object],[object Object],[object Object]

Cardiac Arrhythmias ,[object Object]

16 arrhythmias2009

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