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Atrial Tachycardia With Atrial Activation Duration Exceeding the Tachycardia Cycle Length: Mechanisms and Prevalence (JACC: Clinical Electrophysiology August 2019)
Description
Ultra-high-density mapping allows very accurate characterization of mechanisms involved in AT. Some complex patterns may involve AAD which is longer than the tachycardia cycle length (TCL) which makes maps difficult to interpret. Prevalence and characteristics of such ATs are unknown.

Editor-in-Chief
David J. Wilber, MD, FACC

CME Editor
Smit Vasaiwala, MD

Author
Smit Vasaiwala, MD

CME Information
Target Audience
JACC Journal CME is intended for physicians who treat patients with cardiovascular disease.

Important Dates
Date of Release: August 19, 2019
Term of Approval/Date of CME/MOC/ECME Expiration: August 18, 2020

Learner Objectives
After reading this article the reader should be able to:
  • Discuss the fundamentals of mapping of atrial tachycardia.
  • Discuss the role of ultra–high-density mapping for atrial tachycardias.  
  • Detect and correctly diagnose atrial tachycardia with an atrial activation duration larger than the tachycardia cycle length. 
Method of Participation and Claiming Credit
This ACC JACC Journals CME/MOC/ECME activity includes the reading of an article published in one of the JACC journals and the successful completion of self-assessment questions. 

Requesting AMA PRA Category 1 CME Credit™ and/or MOC or ECME credit for this Activity

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  1. Read the article for which you wish to receive credit.
  2. Answer the self-assessment questions. You need to have achieved a passing score of 70% or better in order for the Evaluation link to become activated. If you did not achieve a passing score, please click on the Posttest link in the left navigation bar and retake the exam.
  3. After you complete the Evaluation, click on the Claim Credit button in the left navigation bar.
  4. For CME or COP credit, enter the total amount of time you actually spent in the activity in the box provided. Please note that you may only claim once for this activity. Click Claim.
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Summary
Availability: On-Demand
Cost: FREE
Credit Offered: 1 CME Credit
1 ECME Credit
1 MOC Credit
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