Horowitz index
English
Etymology
The ratio was first suggested in a 1974 paper by Joel H. Horovitz et al.[1][2] The reason for the spelling with w is unclear.
Noun
Horowitz index (plural Horowitz indexes or Horowitz indices)
- (medicine, pulmonology) An assessment of lung function; the ratio of partial pressure of oxygen in blood (PaO2), and the fraction of oxygen in the inhaled air (FiO2).
Alternative forms
- Horowitz ratio
- Horowitz quotient
- Horowitz number
- Horowitz
Synonyms
- P/F ratio
- PaO2/FiO2 ratio
- Carrico index
References
- Joel H. Horovitz, Charles J. Carrico and G. Tom Shires (March 1974), “Pulmonary Response to Major Injury”, in Archives of Surgery, volume 108, issue 3, pages 349-355
- John R. Feiner, Richard B. Weiskopf (2017), “Evaluating Pulmonary Function: An Assessment of PaO2/FiO2”, in Critical Care Medicine, volume 45, issue 1, DOI:, pages e40-e48