CO(RB)
[Abbr. of c(ardiac) o(utput), as measured by the r(e)b(reathing) of an inert gas]
A noninvasive method of measuring cardiac output.

[Abbr. of c(ardiac) o(utput), as measured by the r(e)b(reathing) of an inert gas]
A noninvasive method of measuring cardiac output.