411 REFERENCE · Wiktionary
Horowitz index
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English
Etymology
The ratio was first suggested in a 1974 paper by Joel H. Horovitz et al.Joel H. Horovitz, Charles J. Carrico and G. Tom Shires Pulmonary Response to Major Injury https://jamanetwork.com/journals/jamasurgery/article-abstract/578720 Archives of Surgery March 1974 108 3 349-355 https://web.archive.org/web/20260913165342/https://jamanetwork.com/journals/jamasurgery/article-abstract/578720 13 September 2026John R. Feiner, Richard B. Weiskopf Evaluating Pulmonary Function: An Assessment of PaO2/FiO2 10.1097/CCM.0000000000002017 Critical Care Medicine 2017 45 1 e40-e48 The reason for the spelling with w is unclear.
Noun
+ Horowitz indices
en medicine pulmonology An assessment of en lung function; the ratio of en partial pressure of en oxygen in en blood (en PaO2), and the en fraction of en oxygen in the en inhaled en air (en FiO2).
Synonyms
en Horowitz
en Horowitz ratio
en Horowitz quotient
en Horowitz number
en P/F ratio
en PaO2/FiO2 ratio
en Carrico index
References