Current trends in Cardiac Memory: Roles and Implications

Abstract

—A modified inverted T-wave on ECG and vector cardiogram is denoted as a cardiac memory
(CM) that is seen when sinus rhythm continues after irregular myocardial activation. Particularly, the sine
rhythm of the T wave follows the irregular impulse of the QRS vector. CM is mostly developed by
arrhythmias and has traditionally been known to be of limited importance to medical exercise. While it has
long been recognized that CM can imitate inverted T-wave of myocardial ischemia, we have discovered
more lately that CM can modify the behaviour of antiarrhythmic drugs. And, it provides a pattern for finding
the mechanisms through ventricular pacing destruct myocardial physiology .Here, we discuss the recent
developments in cardiac memory in various aspects. We also discuss the roles of CM and implications