“…Many such efforts have focused on pulse oximetry (LifeBox, World Health Organization checklist) and for good reason . Pulse oximetry is relatively inexpensive, easy‐to‐use, low maintenance, versatile, instantaneous and considered essential by all existing national and international anaesthesia guidelines, including the recently published World Health Organization – World Federation of Societies of Anaesthesiologists (WHO‐WFSA) standards . Capnography is another important anaesthesia monitor that has received relatively less attention despite having many of these same characteristics.…”