Russell viper venom clotting time

Rus·sell vi·per ven·om clot·ting time

(rŭs'ĕl),

a clotting time determination performed on citrated platelet-poor plasma using Russell viper venom as an activating agent. This allows activation of factor X directly without the need for other coagulation factors and is used to confirm factor X defects.

Farlex Partner Medical Dictionary © Farlex 2012

Rus·sell vi·per ven·om clot·ting time

(rŭs'ĕl vī'pĕr ven'ŏm klot'ing tīm)

A clotting time determination performed on citrated platelet-poor plasma using this snake's venom as an activating agent; allows activation of factor X directly without the need for other coagulation factors and is used to confirm factor X defects.

Medical Dictionary for the Health Professions and Nursing © Farlex 2012