Remdesivir-Induced Marked Sinus Bradycardia in COVID-19

Taimoor Ahmed1, Samra Haroon Lodhi2, Taha Ahmed2

  • 1Internal Medicine, Mayo Hospital, Lahore, PAK.

Cureus
|August 29, 2022
PubMed

Insights

Remdesivir, used for COVID-19, may cause sinus bradycardia, a slow heart rate. This rare side effect resolved after stopping the medication, suggesting careful monitoring for patients.

Area of Science:

  • Cardiology
  • Infectious Diseases
  • Pharmacology

Background:

  • The coronavirus disease 2019 (COVID-19) pandemic necessitated widespread use of antiviral medications like remdesivir.
  • Evidence regarding the cardiovascular adverse effect profile of remdesivir, particularly its association with bradycardia, remains limited.
  • Sinus bradycardia, characterized by a slow heart rate originating in the sinus node, is a potential cardiac complication.

Observation:

  • This report details a case of COVID-19 where a patient developed marked sinus bradycardia shortly after initiating remdesivir treatment.
  • The bradycardia onset was acute and temporally linked to remdesivir administration.
  • The patient completed a 5-day course of remdesivir without experiencing symptoms related to the bradycardia.

Findings:

  • The patient's sinus bradycardia resolved upon discontinuation of remdesivir.
  • This clinical course suggests a potential causal link between remdesivir and the development of sinus bradycardia.
  • The bradycardia was noted to be non-symptomatic in this particular case.

Implications:

  • Physicians should be aware of the potential for remdesivir to induce sinus bradycardia as a rare adverse effect.
  • Continuation of remdesivir therapy may be considered even in the presence of bradycardia, provided it is asymptomatic.
  • Further research is warranted to fully elucidate the cardiovascular safety profile of remdesivir and the incidence of associated bradycardia.

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