Measurement
Measurement of HMWK is usually done with mixing studies, where plasma deficient in HMWK is mixed with the patient's sample and the PTT determined. Results are expressed in % of normal - values under 60% or over 140% are abnormal.
Read more about this topic: High-molecular-weight Kininogen
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“That’s the great danger of sectarian opinions, they always accept the formulas of past events as useful for the measurement of future events and they never are, if you have high standards of accuracy.”
—John Dos Passos (1896–1970)