<prompt> Which the following may result in sudden increase in ETCO2?Malignant HyperthermiaHyperthyroidismShiveringAll of the above  <response>: Ans. D. All of the above. Ref. Pauls anaesthesia 5thpg. Table 24-1Factors That May Change End-Tidal Co2 ETC02 During AnesthesiaIncreases in ETCO2Decreases in ETCO21. Hyperthermia1. Hypothermia2. Sepsis2. Hypothyroidism3. Malignant Hyperthermia3. Hyperventilation4. Shivering4. Hypoperfusion5. Hyperthyroidism5. Pulmonary embolism6. Hypoventilation 7. Rebreathing 