Entrant HF

Cardiac Resynchronization Therapy Defibrillator (CRT-D)

Entrant HF device next to a phone displaying the myMerlinPulse app

Technology Overview

Optimize Patient Outcomes

Meet your heart failure (HF) patients' changing needs with our latest generation of CRT technology:

SyncAV™ CRT technology offers dynamic AV timing to ensure electrical resynchronization.


22% fewer HF hospitalizations
for patients with SyncAV™ CRT technology enabled vs. patients with the technology disabled1


100% of patients
had a narrower QRS2

Manuals & Technical Resources

Customer Service


  1. Varma, N., Gain in CRT Efficacy with Dynamic Electrical Optimization: Real World Effect of SyncAV™ CRT on Heart Failure Hospitalizations. Poster presented at EHRA. May 2020. https://www.escardio.org/Sub-specialty-communities/European-Heart-Rhythm-Association-(EHRA)/Research-and-Publications/EHRA-Essentials-4-You. Accessed May 15, 2020.
  2. Varma N, O’Donnell D, Bassiouny M, et al. Programming cardiac resynchronization therapy for electrical synchrony: reaching beyond left bundle branch block and left ventricular activation delay. J Am Heart Assoc. 2018;7:e007489. https://www.ahajournals.org/doi/10.1161/JAHA.117.007489. Accessed January 14, 2020.

MAT-2009185 v1.0