Reliability of Subjective Circulation Time Determinations
A Comparison Between Objective and Subjective Methods
When the fully objective dermofluorographic method of measurement of circulation time was compared with the subjective Decholin and saccharin methods, it was found that the values obtained with the subjective methods were often unreliable. The error was unpredictable in magnitude and occurrence, and was maximal in patients with failure.
- © 1958 American Heart Association, Inc.