Learn how to use mixing studies to pinpoint the cause of prolonged PT / PTT and investigate bleeding in patients with normal PT / PTT. By the end of this video, you'll know when to order a mixing study as well as how to interpret the results. Once you've mastered this, you'll know which tests need to be ordered next. Demystify hematology and coagulation with our fascinating Hematology & Coagulation Essentials course: https://bit.ly/2EPbS6o | Medmastery | Facebook