Fig. 2

Intractable circulatory collapse following the induction of general anesthesia for skin surgery. a Start of anesthesia, (b) Oral intubation, (c) Emergency call, (d) Recovery of spontaneous circulation, (e) Transfer to hybrid room, (f) Transfer to the intensive care unit. HR, heart rate; BP, blood pressure; SpO₂, arterial oxygen saturation; s/dNIBP, systolic/diastolic non-invasively measured blood pressure; s/dABP, systolic/diastolic blood pressure measured through the arterial line; VF, ventricular fibrillation; CPR, cardiopulmonary resuscitation; ECMO, extracorporeal membrane oxygenation; IABP, intra-aortic balloon pumping