Ristocetin Induced Aggregation (RIPA)
Ristocetin induced aggregation is a platelet funtion test that is used to screen for and sub-type Von Willebrands disease. Please contact the laboratory before requesting these tests.
|05 (CP) - Citrate
|**SAMPLES MUST NOT BE SENT IN THE AIRTUBE** High and low doses of ristocetin are used to aggregate patients platelets in platelet rich plasma. This uses a platelet aggregation methodology. The variation is used to help diagnose the presence or absence of Von Willebrands or to help sub-type an existing diagnosis
Chancellor / Lincoln Wing Link Corridor
St James University Hospital
|**CONTACT LABORATORY PRIOR TO REQUESTING THIS TEST **
2 x citrate samples (all citrate tubes must be filled to the line).
**SAMPLES MUST NOT BE SENT IN THE AIRTUBE**
Samples must be processed within 6 hours of being taken.