Emergence Phenomena - February 26, 2016 - By Pek Jen Heng
The relationship of CO2 concentration to time is represented by the capnogram.
Capnography provides information about:
- Ventilation (elimination of CO2 by the pulmonary system)
- Perfusion (transport of CO2 through the vascular system)
- Metabolism (production of CO2 by cellular metabolism)
INTUBATED PATIENTS
- Endotracheal tube (ETT) placement
- Effectiveness of CPR and prognosis
- Return of spontaneous circulation
- Cause of cardiac arrest
- Head injury and suspected increased intracranial pressure (ICP)
- Determining prognosis in trauma
SPONTANEOUSLY BREATHING PATIENTS
- Procedural sedation
- Obtunded or unconscious patients
- Acute respiratory distress
- Metabolic acidosis
- Providing prognostic indicators in patients with sepsis or septic shock
CONCLUSION
EtCO2 is safe, noninvasive, inexpensive, and rapidly performed at the bedside. It is an essential tool for evaluating patients in the emergency setting. Consider using it in your next patient for assessment of ventilation, perfusion and metabolism."
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