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# Clinical Applications of Capnography ## PEEP Titration * **PEEP Titration:** * **Volumetric capnogram:** Showing how an increase in PEEP results in a shift of the volume capnograph curve to the right, indicating an increase in dead space volume. (Image Description: Graph showing a capnograp...

# Clinical Applications of Capnography ## PEEP Titration * **PEEP Titration:** * **Volumetric capnogram:** Showing how an increase in PEEP results in a shift of the volume capnograph curve to the right, indicating an increase in dead space volume. (Image Description: Graph showing a capnography curve. Two separate curves are present: one for PEEP 5 cm H₂O and another for PEEP 15 cm H₂O. The curve for higher PEEP (15 cm H₂O) is shifted to the right of the curve for lower PEEP (5cm H₂O), indicating an increase in dead space volume. X-axis labeled "Expired Volume (ml)", Y-axis labeled "PECO2 (mm Hg)"). ## Hypoventilation and Hyperthermia * **Hypoventilation and Hyperthermia:** * **Progressive increase in PETCO2:** Indicates either the presence of hypoventilation or a hypermetabolic state. (Image Description: Graph showing a continuous line for "Real-Time" and a jagged line for "Trend". Both lines show fluctuations in PECO2 (mm Hg) readings over time. The "Real-time" line has slightly elevated points, while the "Trend" line shows a clear upward trend, suggesting a progressive increase in PETCO2) **Figure 7-8:** A progressive increase in the PECO2 indicates either the presence of hypoventilation or a hypermetabolic state.