The nurse notices that the patient’s peripheral IV insertion site is red and indurated. What action does the nurse perform first?

The patient is brought to the emergency department following a fire in his home. The nurse notes that the patient has singed facial hair and soot on his face. He is mildly tachypneic, his lung sounds are clear and equal, and the nurse notes pronounced stridor. His oxygen saturation is 90% on room air. Patient also complains of a sore throat and severe pain in his arms and hands, which have about 50% of their area covered by burns. Which of the following is the next best step in management?

The patient is admitted to the hospital after fainting at home. Blood tests reveal a hypochromic, microcytic anemia with a large amount of fetal hemoglobin. Thrombocytopenia is noted as well. The lymph nodes, spleen, and liver are all within normal limits for size and consistency. A blood transfusion and platelet transfusion are administered, with less than expected results. The nurse anticipates administering antithymocyte globulin in response to which result?