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Central Line Hemodynamics

Bedside hemodynamic calculator using central venous line data.

The output from this calculator heavily depends on assumptions and should not replace validated monitoring, clinical judgment, or institutional protocols.

Patient And Line Data

Oxygen Content Inputs

Oxygen Consumption Estimate

Selected references

  1. Walley KR. Use of central venous oxygen saturation to guide therapy. Am J Respir Crit Care Med. 2011;184:514-520. Practical review of ScvO2 as a surrogate for SvO2, oxygen delivery/consumption physiology, and Fick-based cardiac output interpretation.
  2. StatPearls/NCBI Bookshelf: Calculating Fick Cardiac Output and Input. Fick equation structure, oxygen content variables, and the commonly assumed resting VO2 index of 125 mL/min/m2.
  3. Rivers E, Nguyen B, Havstad S, et al. Early goal-directed therapy in the treatment of severe sepsis and septic shock. N Engl J Med. 2001;345:1368-1377. Landmark central venous catheter and ScvO2-guided resuscitation protocol that shaped bedside use of central venous oximetry.
  4. Surviving Sepsis Campaign: International Guidelines for Management of Sepsis and Septic Shock 2021. Modern hemodynamic resuscitation context, including MAP targets and preference for dynamic reassessment over static parameters alone.