cardiac index

noun

Medical Definition of cardiac index

: a measure of cardiac output per square meter of body surface area Her cardiac output (as measured by thermodilution) was 6 liters per minute (reference range, 4 to 8), with a cardiac index of 3.3 liters per minute per square meter of body-surface area (reference range, 2.5 to 4.0).— Zoltan P. Arany et al., The New England Journal of Medicine

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Cite this Entry

“Cardiac index.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/cardiac%20index. Accessed 10 Aug. 2022.

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