[Abbr. of c(ardiac) o(utput), as measured by the t(hermo)d(ilution) of blood]
An invasive method of measuring cardiac output that relies on the advancement of a catheter through central veins into the right ventricle.
A cool or room temperature tracer is injected, and the thermal decay (or heating of the blood followed by thermal decay) is used to determine the cardiac output.
Taber’s Cyclopedic Medical Dictionary Online + App from F.A. Davis and Unbound Medicine. Find 65,000 medical and nursing definitions. Download to iPhone, iPad, and Android. Complete Product Information.