A 73-year-old female presents to the Emergency Department co…
A 73-year-old female presents to the Emergency Department complaining of acute lower leg swelling and pain. Venous duplex ultrasound confirms the presence of deep vein thrombosis. Due to the large clot burden, she is admitted for anticoagulation with IV unfractionated heparin (UFH). Which of the following tests is most sensitive to monitor the therapeutic effect of heparin in your patient?
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