Tachycardia resident survival guide

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief: M.Umer Tariq [2]; Priyamvada Singh, M.D. [3]

Tachycardia resident survival guide Microchapters
Overview
Classification
Causes
FIRE
Diagnosis
Treatment
Do's
Dont's

Definition

Tachycardia is a form of cardiac arrhythmia which refers to a rapid beating of the heart. By convention the term refers to heart rates greater than 100 beats per minute in the adult patient.[1]

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

Algorithm based on the 2003 ACLS guidelines for the management of tachycardia.[2]

References

  1. Neumar, Robert W.; Otto, Charles W.; Link, Mark S.; Kronick, Steven L.; Shuster, Michael; Callaway, Clifton W.; Kudenchuk, Peter J.; Ornato, Joseph P.; McNally, Bryan; Silvers, Scott M.; Passman, Rod S.; White, Roger D.; Hess, Erik P.; Tang, Wanchun; Davis, Daniel; Sinz, Elizabeth; Morrison, Laurie J. (2010-11-02). "Part 8: adult advanced cardiovascular life support: 2010 American Heart Association Guidelines for Cardiopulmonary Resuscitation and Emergency Cardiovascular Care". Circulation. 122 (18 Suppl 3): –729-767. doi:10.1161/CIRCULATIONAHA.110.970988. ISSN 1524-4539. PMID 20956224.
  2. Blomström-Lundqvist C, Scheinman MM, Aliot EM, Alpert JS, Calkins H, Camm AJ; et al. (2003). "ACC/AHA/ESC guidelines for the management of patients with supraventricular arrhythmias--executive summary. a report of the American college of cardiology/American heart association task force on practice guidelines and the European society of cardiology committee for practice guidelines (writing committee to develop guidelines for the management of patients with supraventricular arrhythmias) developed in collaboration with NASPE-Heart Rhythm Society". J Am Coll Cardiol. 42 (8): 1493–531. PMID 14563598.