Fig. 1.

Absolute number of patients with acute chest pain presenting to the emergency department. Absolute numbers of patients with acute chest pain presenting to the ED in 2020 per calendar week are displayed on the left y-axis as blue boxes and cumulative numbers of confirmed COVID-19 cases per day are displayed on the right y-axis as purple line. The first gray vertical line indicates the begin of social distancing regulations and other restrictions, the second line indicates the national lockdown. COVID-19 denotes corona virus disease 2019. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)