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ID:1051 Platelet Aggregation Studies
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DescriptionVarious agonists are added to a stirred suspension of platelets and the decrease in light absorbed as platelets aggregate/agglutinate is measured. Results are analysed by comparing the resultant aggregation curves with those of normal platelets.
IndicationBleeding diatheses where the indication may be due to irregular platelet function.
Additional InfoSamples must be delivered to the laboratory by 11:00 am on the day of venepuncture. This test is only available by specialist request from a Haematology Consultant and should be discussed with a member of the Haemostasis consultant team before arriving into the laboratory. All platelet testing is prearranged with the laboratory before samples are taken to ensure that relevant trained staff are available on the day to process the tests and ensure that we have contact information for the requestor.
Concurrent TestsPlatelet glycoproteins/nucleotides. PFA-100.
Dietary Requirementsna
InterpretationDescriptive report of platelet aggregation in response to various agonists.

DepartmentSpecialist Coagulation
SampleBlood
TubeCoagulation
Tube Picture
Collection ConditionsCitrate x 8 minimum (all citrate tubes must be filled to the line). Samples must be kept at room temperature and delivered to the laboratory immediately with minimal agitation.
Min. Vol
Freq.

Ref. Range (Male) NA
Ref. Range (Female)NA
Ref. Range (Paed)NA
Ref. Range NotesInterpretive comments added
Units - Not Defined -
IP Acute TAT4 weeks
IP Routine TAT4 weeks
GP Acute TAT4 weeks
GP Routine TAT4 weeks
Turnround Comment

Originally edited by : na. Review due on 22/01/2020 09:59:30. Published By on 22/01/2019 09:59:30.