Question 209 · LEK · EtCO₂ and capnography
In the case of restoration of cardiovascular activity during CPR (cardiopulmonary resuscitation) in a patient with cardiac arrest, the end-tidal carbon dioxide (ETCO2) level:
- A. will increase.
- B. will fall.
- C. will not change.
- D. will fall to zero.
- E. will reach 200 mmHg.
Hint
EtCO2 reflects how much CO2-rich blood reaches the lungs, which depends on cardiac output.
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