The Collaborative International Dictionary of English v.0.48:

Hemadrometry \Hem`a*drom`e*try\, Hemadromometry
\Hem`a*dro*mom"e*try\, n. (Physiol.)
   The act of measuring the velocity with which the blood
   circulates in the arteries; h[ae]motachometry.
   [1913 Webster]