The PvCO2-PaCO2/CaO2-CvO2 Ratio in Septic Shock

"Patients diagnosed with septic shock will undergo serial measurements of arterial and venous blood gas analyses, arterial lactate levels, and calculation of the Pv-aCO₂/Ca-vO₂ ratio at predefined time points: H0 (baseline), H2, H6, H12, and H24.~Calculation Formulas:~1. Arterial Oxygen Content (CaO₂):CaO2 = SaO2 × Hb × 1,34 + PaO2 × 0,0031~2. Venous Oxygen Content (CvO₂):CvO2 = SvO2 × Hb × 1,34 + PvO2 × 0,0031~3. Pv-aCO₂/Ca-vO₂ Ratio: P(v-a) CO2/C(a-v)O2=(PcvCO2-PaCO2)/(CaO2 -CcvO2)."