Patent ID: 11878174
Assignee: PACESETTER, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 14:
15. A method for use with an implantable medical system, the method comprising:
obtaining a His intracardiac electrogram (His IEGM) sensed using at least one electrode implanted in or proximate to a patient's His bundle;
sensing or pacing the patient's right atrium to thereby sense or pace an atrial event;
determining whether a portion of the His IEGM exceeds a specified sense threshold within a specified window within an atrioventricular delay (AVD) following the sensed or paced atrial event; and
triggering ventricular pacing at an end of the AVD in response to no portion of the His IEGM exceeding the specified sense threshold within the AVD;
wherein the method is performed while the implantable medical system is in one of DDT or DDD mode.