Chapter 1

LV pacing and threshold

How the LV output is checked and kept: PaceSafe LV automatic thresholds, rising thresholds and loss of capture.

The cases

1Reading a full LATITUDE CRT-D follow-up report 2Ambulatory PaceSafe LV threshold test 3PaceSafe LV test with an unexpected beat 4Non-responder despite 100% BiV pacing 5Remote real-time EGM in a dialysis patient 6LV impedance alert and an odd PaceSafe LV test 7BiV Trigger in AF, and the same patient 15 months later 8CRT-D with a conduction-system lead: the LV trends jump

From Boston Scientific CRT — clinical cases by M. Strik. Published by Cardiocases. Every numbered marker on a recording is explained in the list beneath it; tap a marker on the trace or an entry in the list.