The hyperacute T wave is a transient wave that appears in the early phases of an acute coronary occlusion (ACO).

Electrocardiographic Criteria

  • Large, broad-based, symmetric T wave

ECG with Hyperacute T Waves

Electrocardiogram showing hyperacute T waves

Hyperacute T wave. Patient with chest pain that began a few minutes earlier, whose ECG shows symmetric, large, broad-based T waves in the precordial leads.

References

  1. de Alencar JN, de Andrade Matos VF, Scheffer MK, Felicioni SP, et al. ST segment and T wave abnormalities: A narrative review. J Electrocardiol. 2024;85(500):7–15.
  2. Alencar JN. Tratado de ECG. 2022.
  3. Birnbaum Y, Sclarovsky S. The grades of ischemia on the presenting electrocardiogram of patients with ST elevation acute myocardial infarction. J Electrocardiol. 2001;34(4):17–26.