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 as follows: activated partial thromboplastin time (aPTT) 43 seconds; internationalized normalized ratio (INR) 1.8. The nurse should collaborate with the provider and do which of the following?