Quick Question Archives

• How do you store plasma specimens when coagulation testing is delayed to beyond 48 hours? - 67 votes - open
• In a PTT mixing study, the patient's initial PTT is 67 s, RI 25–35. The PTT is repeated after mixing 1:1 with NP, and the new result is 63 s, NP 30 s. What do you do next? - 80 votes - open
• What approach do your facility's nurses use to reduce specimen hemolysis at the time they are starting IVs? - 76 votes - open
• How do you manage hemostasis specimens with visible hemolysis? - 83 votes - open
• How does your laboratory measure factor inhibitors? - 94 votes - open
• How many normal subject specimens do you collect to establish a PT and PTT reference interval? - 225 votes - closed
• What PTT value initiates a PTT mixing study in your laboratory? - 157 votes - closed
• When performing PTT mixing studies using normal control plasma (NP), what criterion do you use to define correction? - 199 votes - open
• What platelet function test do you use for platelet function disorders and/or for aspirin and clopidogrel efficacy? - 68 votes - closed
• What is your policy for managing overfilled coagulation specimen tubes? - 170 votes - closed
• Does your laboratory perform follow-up PTT mixing studies 24/7? - 89 votes - closed
• Here is a reprise to a recent Quick Question with updates. What assay do you use to measure dabigatran (Pradaxa)? - 13 votes - closed
• The new oral anticoagulants are being used more and more. How do you plan to measure dabigatran (Pradaxa) levels? - 50 votes - closed
• Surgeons typically order pre-operative hemostasis screens. What assays are included in your pre-operative screen? - 58 votes - closed