medical Definition of automaticity
- Atrial tachycardias due to abnormal automaticity or triggered activity are particularly difficult to abolish with antiarrhythmic drugs.
- —Leonard I. Ganz and Peter L. Friedman, The New England Journal of Medicine, 19 Jan. 1995
- All adult cardiac myocytes can respond to electrical stimuli and conduct action potentials, but the working cells of the atria and ventricles generally lack automaticity …
- —Arnold M. Katz, Physiology of the Heart, 5th edition, 2011