CRT devices are indicated in paents with congesve heart failure, a reduced le ventricular ejecon fracon
(LVEF) and a prolonged QRS duraon. The device is most commonly implanted within a device pocket in the
pectoral region.
NOTE: For paent-specic recommendaons, such as primary and secondary prevenon, refer to the
respecve current clinical guidelines of the Heart Rhythm Society (HRS), the American Heart Associaon
(AHA), American College of Cardiology (ACC) or European Society for Cardiology (ESC), as well as those of
other naonal cardiology associaons.
Table 2. Accessories and their intended uses
Accessory Intended use
Torque wrench Secure lead connectors and port plugs within the device header
IS‑1 receptacle plug Seal unused lead receptacles
IS4/DF4 port plug Seal unused lead receptacles
Intended Paent Populaon
The intended paent populaon for CRT‑Ps include adults who meet the indicaons. CRT‑P devices have not
been tested in pediatric paents. For paent specic recommendaons, refer to the respecve current clinical
guidelines of the Heart Rhythm Society (HRS), the American Heart Associaon (AHA), American College of
Cardiology (ACC) or European Society for Cardiology (ESC), as well as those of other naonal cardiology
associaons.
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