Various phases can be seen through ECG wave tracings following a heart attack: Hyperacute phase begins immediately after a heart attack; Fully evolved phase starts a few hours to days after a heart attack; Resolution phase appears a few weeks after a heart attack; Stabilized chronic phase is the last phase and typically has permanent pathological changes compared to a normal ECG tracing. Update Date: 07/15/2008Alan Berger, MD, Assistant Professor, Divisions of Cardiology and Epidemiology, University of Minnesota, Minneapolis, MN. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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