text: what it means "cardiac memory"? can any one of you, please help me on this? i have to do a small work for school about cardiac memory and how we can see it on an ecg. please help! this can get you started; from there, you can google "cardiac memory ecg".    cardiac memory describes the phenomenon whereby the t-wave abnormalities that result from a change in the direction of cardiac activation, as during ventricular pacing, persist for a while after the end of pacing.