In this episode in English, two members of BJAN's Editorial Board, Dr. Gregory Hare, Professor of Anesthesia and Physiology at the University of Toronto, Canada and Dr. Raffael Zamper, Assistant Professor and Cardiac Anesthesia Program Director at the Department of Anesthesia & Perioperative Medicine, Western University, Canada, debates questions about "Biomarkers of anemia-induced tissue hypoxia in the perioperative period". Articles related can be read openly in BJAN's website, on edition 73-2. Follow @joinBJAN on social media: Instagram, Facebook, Twitter, LinkedIn, YouTube.