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Clopidogrel Platelet Function Tests

Caveats and Controversies


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Platelet Aggregation (Cont'd)

Slide 11

December 2011

LTA uses multiple agonists to stimulate platelet aggregation and the timing, slope and percent of maximum aggregation are reviewed by a pathologist in interpreting the results.

The blood specimen cannot be collected at an offsite facility and shipped to the testing site, due to nonspecific activation of platelets. The testing is usually only performed during limited hours on dayshift in a special coagulation laboratory using highly skilled personnel.

Platelet Aggregation (Cont'd)


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