Tachycardia

Tachycardia
Rhythm strip showing a run of ventricular tachycardia (VT)

Tachycardia Microchapters
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Overview
Historical Perspective
Classification
Pathophysiology
Causes
Risk Factors
Natural History, Complications and Prognosis
Diagnosis
History and Symptoms
Physical Examination
Laboratory Findings
Electrocardiogram
Chest X Ray
Echocardiography
MRI
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Treatment
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Future or Investigational Therapies
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Case #1
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief: M.Umer Tariq [2]

Classification

Tachycardia

Narrow complex tachycardia (SVT)

Wide complex tachycardia

The origin of the impulse: Atria

The origin of the impulse: AV junction

The origin of the impulse: Atria or AV junction

The origin of the impulse: AV junction

The origin of the impulse: Atria, AV junction or ventricles Presence of an accessory pathway

The origin of the impulse: Pacemaker

Atrial fibrillation Atrial flutter Ectopic atrial rhythm Multifocal atrial tachycardia (MAT) Paroxysmal atrial tachycardia (PAT) with block Premature atrial contractions (PAC) Sinus tachycardia Wandering atrial pacemaker Sick sinus syndrome

AVNRT AVRT (accessory pathway): - Wolff-Parkinson-White syndrome (WPW) - Lown-Ganong-Levine syndrome (LGL)

Accelerated junctional rhythm

SVTAC (SVT with aberrant conduction): Left bundle branch block Left anterior hemi-block Lefo posterior hemi-block Right bundle branch block Trifascicular block

Ventricular tachycardia Ventricular fibrillation Ventricular parasystole

Wolff-Parkinson-White syndrome (WPW) Lown-Ganong-Levine syndrome (LGL)

Pacemaker-mediated tachycardia Runaway pacemaker syndrome Sensor induced tachycardia

Diagnosis

History and Symptoms | Physical Examination | Laboratory Findings | Electrocardiogram | Chest X Ray | Echocardiography | MRI |Other Imaging Findings | Other Diagnostic Studies

Treatment

Medical Therapy | Surgery | Primary Prevention | Secondary Prevention | Cost-Effectiveness of Therapy | Future or Investigational Therapies

Case Studies

Case #1