Wagner_Marriot's Practical Electrocardiography, 12e

Atrial Flutter

364 366 370 371 373 375

Patterns of Atrioventricular Conduction

Atrial Fibrillation

Characteristics of the f Waves of Atrial Fibrillation

Patterns of Atrioventricular Conduction

Atrial Flutter/Fibrillation with Ventricular Preexcitation

CHAPTER 18

REENTRANT JUNCTIONAL TACHYARRHYTHMIAS

379

Marcel Gilbert, Galen S. Wagner, and David G. Strauss

Introduction to Reentrant Junctional Tachyarrhythmias Varieties of Reentrant Junctional Tachyarrhythmias

380 383 384 385 388 392 394

Conduction through the Atria and Ventricles Differentiation from Other Tachyarrhythmias

Differentiation between AV Nodal and AV-Bypass Tachycardias The Two Varieties of AV Nodal Tachycardia The Three Varieties of AV-Bypass Tachycardia REENTRANT VENTRICULAR TACHYARRHYTHMIAS Marcel Gilbert, Galen S. Wagner, and David G. Strauss

CHAPTER 19

399

Varieties of Ventricular Tachyarrhythmias

400 401 402 403 414

Description

Etiologies Diagnosis

Variation of Duration in Ventricular Tachycardia

Variations in the Electrocardiographic Appearance of Ventricular Tachycardia: Torsades de Pointes

415 416

Ventricular Flutter/Fibrillation

CHAPTER 20

VENTRICULAR VERSUS SUPRAVENTRICULAR WITH ABERRANT CONDUCTION

423

Galen S. Wagner

Circumstances Producing Aberrancy

425 427 431 437 440

Characteristics

Ventricular Aberration Complicating Atrial Flutter/Fibrillation

Critical Rate

Paradoxical Critical Rate

CHAPTER 21

DECREASED AUTOMATICITY

443

Galen S. Wagner

Mechanisms of Bradyarrhythmias of Decreased Automaticity

445 450 451

Sinoatrial Block

Perspective on Sinus Pauses

viii

Contents