A patient with a venous thromboembolism (VTE) is receiving h…
A patient with a venous thromboembolism (VTE) is receiving heparin intravenously and warfarin (Coumadin) orally. The morning lab results are activated partial thromboplastin time (aPTT) 43 seconds and internationalized normalized ratio (INR) 1.8. The nurse should collaborate with the provider and anticipate which of the following?