“…In-hospital cardiac arrest: evidence and specificities of perioperative cardiac arrest Quentin de Roux 1,2,3 , Athanasios Chalkias 4,5 , Theodoros Xanthos 6 and Nicolas Mongardon 1,2,3* To the Editor, We read with great interest the article by Penketh and Nolan, which provides a comprehensive overview on inhospital cardiac arrest (IHCA) [1]. We fully concur with the authors that guidelines for treatment of IHCA are lacking, and that several data are extrapolated from outof-hospital cardiac arrest literature.…”