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Flowchart of patients included in the study (according to the CONSORT criteria). Abbreviations: CARDS, coronavirus-associated acute respiratory distress syndrome; EEG, electroencephalography; VV-ECMO, veno-venous extracorporeal membrane oxygenation. ≠ Each patient received two EEG recordings that were 30 min in duration, and one patient died before the second 2 EEG measurement.
