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During the first hour of resuscitation, a mixed venous oxygen saturation (SvO₂) of 65% can’t be achieved with fluid resuscitation and vasopressor administration. The patient’s hemoglobin level is 6 g/dL.
Which intervention should the nurse anticipate as the next step?
a. Transfusion of red blood cells and administration of phenylephrine.
b. Transfusion of platelets.
c. Transfusion of red blood cells and a trial of a dobutamine infusion.