A client with heart disease has a clot in the right atrium a…

A client with heart disease has a clot in the right atrium and is receiving a heparin sodium infusion at 1000 units/hr and warfarin sodium 7.5 mg at 1600 daily. The morning laboratory results are available. Which action would the nurse anticipate based on the client’s laboratory results?Laboratory Results Tests and Results                                                                   Reference RangeActivated partial thromboplastin time (aPTT)       32 seconds               30-40 sec                                                                     International normalized ratio (INR)                     1.3 seconds                           0.81-1.2