Bet·ke-Klei·hau·er test(bet'kĕ klī'how-ĕr),
a slide test for the presence of fetal red blood cells among those of the mother; hemoglobins other than Hb F are eluted from the red blood cells on an air-dried blood film by a buffer of pH 3.3.
Bet·ke-Klei·hau·er test(bet'kĕ klī'how-ĕr test)
A slide-based procedure for the presence of fetal red blood cells among maternal cells. The test is performed if a fetal-maternal hemorrhage is possible.