J-wave in a patient with severe COVID-19

Authors

  • Luis M. de la Torre Fonseca Universidad de Ciencias Medicas de la Habana Hospital Clínico Quirúrgico Docente Manuel Fajardo https://orcid.org/0000-0002-1694-6920
  • Lin Wang
  • Robert Alarcón Cedeño
  • Héctor Plaza Roque
  • Ana M. Barreda Pérez

Abstract

In the context of the current COVID-19 epidemic, numerous are the manifestations of the infected patients, including the alterations in the 12-lead electrocardiogram, where the presence of a J-wave can be found, secondary to the generation of a transmural voltage gradient, caused by the overexpression of the channels for transient outward potassium current (Ito), in the context of a severe infection with extensive myocardial injury. In this article is presented the case of an 83-year-old patient with a positive diagnosis of COVID-19, who progressed to septic shock, with mixed acidosis and mild hyperkalemia. The electrocardiogram showed the presence of a J-wave, probably secondary to the effect of pro-inflammatory cytokines on potassium channels and extensive areas of myocardial injury.

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Author Biography

Luis M. de la Torre Fonseca, Universidad de Ciencias Medicas de la Habana Hospital Clínico Quirúrgico Docente Manuel Fajardo

Especialista de I Grado en Cardiología. Unidad de Cuidados Intensivos. Hospital Universitario Manuel Fajardo.

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Published

2022-11-02

How to Cite

1.
de la Torre Fonseca LM, Wang L, Alarcón Cedeño R, Plaza Roque H, Barreda Pérez AM. J-wave in a patient with severe COVID-19. CorSalud [Internet]. 2022 Nov. 2 [cited 2025 Jul. 12];14(3):293-6. Available from: https://revcorsalud.sld.cu/index.php/cors/article/view/788

Issue

Vol. 14 No. 3 (2022)

Section

CASE REPORTS

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