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Tachycardia is a topic covered in the Diagnosaurus.

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Narrow & Regular

  • Sinus tachycardia
  • Atrial flutter
  • AV node re-entry tachycardia (AVNRT)
  • Atrial ventricular re-entry tachycardia (AVRT)
  • Wolff-Parkinson-White syndrome (subset of AVRT)
  • Atrial tachycardia
  • Junctional tachycardia
Narrow & Irregular
  • Atrial fibrillation
  • Frequent premature atrial contractions (PACs)
  • Atrial flutter with variable block
  • Multifocal atrial tachycardia (MAT)
  • Sinus arrhythmia
Wide & Regular
  • Ventricular tachycardia (VT)
  • Supraventricular tachycardia with aberrancy (e.g., pre-existing bundle branch block, rate-related bundle branch block, or WPW)
Wide & Irregular
  • Torsades de pointes
  • Frequent PVCs

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Last updated: December 1, 2014


Zeiger, Roni F.. "Tachycardia." Diagnosaurus, 4th ed., McGraw-Hill Education, 2014. Medicine Central, im.unboundmedicine.com/medicine/view/Diagnosaurus/114572/all/Tachycardia.
Zeiger RF. Tachycardia. Diagnosaurus. 4th ed. McGraw-Hill Education; 2014. https://im.unboundmedicine.com/medicine/view/Diagnosaurus/114572/all/Tachycardia. Accessed April 25, 2019.
Zeiger, R. F. (2014). Tachycardia. In Diagnosaurus. Available from https://im.unboundmedicine.com/medicine/view/Diagnosaurus/114572/all/Tachycardia
Zeiger RF. Tachycardia [Internet]. In: Diagnosaurus. McGraw-Hill Education; 2014. [cited 2019 April 25]. Available from: https://im.unboundmedicine.com/medicine/view/Diagnosaurus/114572/all/Tachycardia.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Tachycardia ID - 114572 A1 - Zeiger,Roni F, Y1 - 2014/12/01/ BT - Diagnosaurus UR - https://im.unboundmedicine.com/medicine/view/Diagnosaurus/114572/all/Tachycardia PB - McGraw-Hill Education ET - 4 DB - Medicine Central DP - Unbound Medicine ER -