Cardiac shunt calculations made easy: A case-based approach

Mario Gössl, Charanjit S. Rihal

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


On the basis of an interesting case of a 40-year-old lady with an atrial septal defect, we describe a simple approach for complex shunt volume calculations based on the Fick principle using hemodynamic data obtained in the catheterization laboratory. Understanding Fick's principle allows determination of all relevant flows, flow ratio, and resistances without having to resort to memorization of complex formulae. Those findings significantly impact the managements of patients like ours with hemodynamically and clinically relevant shunting.

Original languageEnglish (US)
Pages (from-to)137-142
Number of pages6
JournalCatheterization and Cardiovascular Interventions
Issue number1
StatePublished - Jul 1 2010


  • Atrial septal defect
  • Fick's principle
  • Right heart catheterization
  • Shunt

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Cardiology and Cardiovascular Medicine


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