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===PT===
===PT===
2:The prothrombin time (PT) is measured by an automated analyzer and there are some new point of care
machines now available that allow this and APTT to be measured on an emergency basis. The prothrombin time
is a measure of the extrinsic and common coagulation pathways. It will be prolonged by deficiency or
abnormalities in coagulation factors VII, X, II or I. Disease processes expected to prolong the PT include Vitamin
K antagonists, liver disease and DIC.
===(A)PTT===
===(A)PTT===