• Letizia Di Meglio, Serena Carriero, Pierpaolo Biondetti, Bradford J Wood, and Gianpaolo Carrafiello.
• Postgraduation School in Radiodiagnostics, Università degli Studi di Milano.
• Curr Opin Crit Care. 2022 Feb 1; 28 (1): 172417-24.

Purpose Of ReviewThis review aims to explore the different imaging modalities, such as chest radiography (CXR), computed tomography (CT), ultrasound, PET/CT scan, and MRI to describe the main features for the evaluation of the chest in COVID-19 patients with ARDS.Recent FindingsThis article includes a systematic literature search, evidencing the different chest imaging modalities used in patients with ARDS from COVID-19. Literature evidences different possible approaches going from the conventional CXR and CT to the LUS, MRI, and PET/CT.SummaryCT is the technique with higher sensitivity and definition for studying chest in COVID-19 patients. LUS or bedside CXR are critical in patients requiring close and repeated monitoring. Moreover, LUS and CXR reduce the radiation burden and the risk of infection compared with CT. PET/CT and MRI, especially in ARDS patients, are not usually used for diagnostic or follow-up purposes.Copyright © 2021 Wolters Kluwer Health, Inc. All rights reserved.

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