Key result
Severe COVID-19 is linked to transient sinus bradycardia in critically ill patients.
Why the study?
Cardiac manifestations of COVID-19 have been reported, but its association with bradycardia had not been documented.
Population
Four patients with laboratory-confirmed SARS-CoV-2 infection admitted to the ICU
Design
Retrospective case series
Authors
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May warrant close monitoring in severe COVID-19; hypothesis-generating for bradycardia as cytokine storm marker, pending larger studies.
Case Report (n=4)
No
Transient sinus bradycardia is a potential manifestation of COVID-19 that requires close cardiovascular surveillance and may serve as a warning sign for a cytokine storm.
Amaratunga et al. (2020) conducted a case report in COVID-19 (n=4). COVID-19 was evaluated on Development of sinus bradycardia. Severe COVID-19 infection was associated with the development of transient sinus bradycardia, with lowest heart rates ranging from 42 to 49 beats/min, in four critically ill patients.
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