Emergency Medical Minute Podcast 630: Evolution of an STEMI
Contributor: Peter Bakes, MD
Educational Pearls:
- Hyperacute T waves can occur immediately and typical last less than an hour
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- Hyperacute T waves are typically broader than peaked T-waves, which are associated with hyperkalemia
- ST elevation which usually starts within an hour of the inciting event and can last up to a few days, and often follows the hyperacute T-waves
- Q waves can begin at the time ST elevation begins and can remain permanently
- T waves can invert before normalizing again days later
References
Levis JT. ECG Diagnosis: Hyperacute T Waves. Perm J. 2015;19(3):79. doi:10.7812/TPP/14-243
Vogel B, Claessen BE, Arnold SV, Chan D, Cohen DJ, Giannitsis E, Gibson CM, Goto S, Katus HA, Kerneis M, Kimura T, Kunadian V, Pinto DS, Shiomi H, Spertus JA, Steg PG, Mehran R. ST-segment elevation myocardial infarction. Nat Rev Dis Primers. 2019 Jun 6;5(1):39. doi: 10.1038/s41572-019-0090-3. PMID: 31171787.
Summarized by Jackson Roos, MS4 | Edited by Erik Verzemnieks, MD
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