<prompt> During intraoperative period following capnograph waveform is seen. What does it signify.Return of spontaneous ventilationAirway obstructionHyperventilationOesophageal intubation  <response>: Above ETCO2 curve depictsSpontaneous effos It signifies return of spontaneous ventilation and the patient is coming out of the anaesthesia The cleft is KACURARE CLEFT Repeat a dose of neuromuscular blocker if you want to maintain the muscle paralysis ??Malignant hypehermia:Progressive rise in ETCO2 ??Bronchospasm:Shark fin appearance ??Esophageal intubation: 