Blog

A 37-year old female patient has a PTT of 76 seconds (reference range: 25-37 seconds). Her plasma is mixed 1:1 with normal plasma and an immediate PTT is performed on the mix with a result of 37 seconds. What can be concluded at this point as the most likely diagnosis?

Which of the following makes a patient more prone to hemorrhage?

Why does prothrombin G20210A increase the risk of thrombosis?

What is used to activate protein C in the chromogenic assay used to determine its concentration?

The terms petechiae, purpura, and ecchymoses all describe:

Which of the following is used to treat DIC?

A patient has a platelet count of 650 x 10^9/L. The other hematology tests are normal. No evidence of hemostasis failure exists. Which of the following is most likely?

Which of the following patient groups is most commonly diagnosed with acute immune thrombocytopenic purpura?

A patient arrives at the emergency department complaining of pain in the calf of his left leg and shortness of breath. A “stat” D-Dimer is ordered. Why is this useful information for this patient’s care?

What is the best test to perform if a patient’s PTT does not rise after the typical heparin dose?