Abstract
It is a well-known and widely accepted fact that T wave changes are either primary or secondary in nature [1,2] and that this simple classification covers all T wave abnormalities occurring in the human ECG[3]. Secondary T wave changes are those provoked by variations of the QRS, whereas primary T wave changes occur as independent phenomena. The latter are considered to imply a change of the ventricular gradient (VG), while the former are not [2–4].
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Rosenbaum, M.B., Blanco, H.H., Elizari, M.V., Lázzari, J.O., Vetulli, H.M. (1983). Electrotonic Modulation of Ventricular Repolarization and Cardiac Memory. In: Rosenbaum, M.B., Elizari, M.V. (eds) Frontiers of Cardiac Electrophysiology. Developments in Cardiovascular Medicine, vol 19. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-6781-6_4
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DOI: https://doi.org/10.1007/978-94-009-6781-6_4
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