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

Name: What is the best test to perform if a patient's PTT does not rise after the typical heparin dose?
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Quizplus · Accepted Answer

Chromogenic antithrombin testing is the best choice when a patient's PTT does not rise after a typical heparin dose. This situation suggests a possible antithrombin deficiency, which this test can help diagnose by measuring the activity of antithrombin, a protein that helps regulate blood clotting.

What Is the Best Test to Perform If a Patient's