TABLE 36-2

Common Tests of Hemostatic Function

(continued)

Component Measured

Test Name

Description

Sensitivity

Plasma Coagulation Factors—Fibrinolytic System Components

(c o n tin u e d )

Plasm inogen Activator

Determ ination o f the

TPA reaction with PA I-1,

Inhibitor(s)

am ount o f PAI antigen by

Large variability o f

ELISA

unestablished causes is

observed am ong kits from

different manufacturers

Common Use

Interferences/Complications

Determ ination o f possible

R elease o f PA I-l from platelets

cause o f increased bleeding

tendency in the absence

o f procoagulant factor

deficiency, performed only

in specialized laboratories