Quick Question Archives
- When should you perform an antithrombin, protein C, and protein S profile? - 74 votes - open
- Our QQ this month is a quiz question with one correct answer. You perform platelet aggregometry. Aggregation results are normal in response to all agonists except ristocetin. You rule out VWD. What diagnosis could it be? - 77 votes - closed
- How do you assay for direct oral anti-Xa antithrombotics like rivaroxaban? - 77 votes - open
- How do you test for fibrinolysis? - 99 votes - open
- How do you store plasma specimens when coagulation testing is delayed to beyond 48 hours? - 106 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? - 99 votes - open
- What approach do your facility's nurses use to reduce specimen hemolysis at the time they are starting IVs? - 79 votes - open
- How do you manage hemostasis specimens with visible hemolysis? - 93 votes - open
- How does your laboratory measure factor inhibitors? - 102 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? - 203 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
