case_images: PMC10801011_01
case_images: When cardiac contractility modulation therapy, as demonstrated by large-amplitude spikes following native QRS signals, is intermittent, the LifeVest device (Zoll Medical) may not be able to adjust gain appropriately, leading to potentially undersensing intrinsic QRS complexes.
case_images: gr1.jpg
case_images: PMC10801011_01_gr1.jpg
case_images: fig1
case_images: The CCM device was implanted without incident (Figure 1) and she was successfully weaned off intravenous inotropes.