A major disaster has been called, and the charge nurse on a medical unit must recommend to the medical discharge officer which clients to discharge. Which client should not be discharged?

a. The client diagnosed with COPD who has the following arterial blood gas (ABG) levels: pH 7.34, PCO2 55, HCO3 28, PaO2 89.
b. The client with an infected leg wound who is receiving vancomycin IVPB every 24 hours for methicillin-resistant Staphylococcus aureus (MRSA) infection.
c. The client diagnosed with chronic angina pectoris who has been on new medication for 2 days.
d. The client diagnosed with deep vein thrombosis (DVT) who has had heparin discontinued and has been on warfarin (Coumadin) for 4 days.