Fig. 2
From: Neuroradiological emergency consultations during the first year of the COVID-19 pandemic
Heatmap showing the number of neuroradiological emergency consultations (NECs) per calendar week in a teleradiological network for 13 hospitals compared to the reference value (median) in the year 2019. Red: number of NECs below reference value. Green: number of NECs exceeds reference value. White: number of NECs is the same as the reference value