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. 2021 Oct 11:ehab621. doi: 10.1093/eurheartj/ehab621

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Published on behalf of the European Society of Cardiology. All rights reserved. © The Author(s) 2021. For permissions, please email: journals.permissions@oup.com.

This article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model (https://academic.oup.com/journals/pages/open_access/funder_policies/chorus/standard_publication_model)

This article is made available via the PMC Open Access Subset for unrestricted re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the COVID-19 pandemic or until permissions are revoked in writing. Upon expiration of these permissions, PMC is granted a perpetual license to make this article available via PMC and Europe PMC, consistent with existing copyright protections.

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Impact of the COVID-19 pandemic on cardiac magnetic resonance features in patients with ST-elevation myocardial infarction. (A) Frequency of infarct size percentiles of the study cohort in relation to the COVID-19 pandemic in 2020. Red boxes indicate time frames of major public health restrictions. To obtain a sufficient signal to noise ratio, a sliding window of 40 days has been applied (i.e. each case is expanded by a 20-day time span on the left and right x-axis). Please note that a sliding window adjustment results in an incomplete presentation of the first and last 20 days of the year. (B) Boxplots and bar chart illustrate cardiac magnetic resonance features in STEMI patients admitted during time frames of major public health restrictions in 2020 compared with patients admitted during corresponding time frames in 2015-2019. Abbreviations: COVID-19, coronavirus-disease 2019; LVMM, left ventricular myocardial mass; MVO, microvascular obstruction; IMH, intramyocardial haemorrhage; LVEF, left ventricular ejection fraction.