US Patent 7899536 Morphology discrimination for capture assessment

An exemplary method includes delivering a pacing pulse to a heart, acquiring a cardiac electrogram, comparing the cardiac electrogram to a template and, based on the comparing, deciding if the pacing pulse caused an evoked response. In such a method, the comparing may compare morphology of the cardiac electrogram to the template. Other exemplary methods, devices, systems, etc., are also disclosed.