A 28-year-old pregnant woman at 32 weeks gestation is being airlifted after a motor vehicle accident. She has a decreased level of consciousness, hypotension, and abdominal pain. What is the most appropriate first step in managing this patient?
Administer magnesium sulfate for management of premature labor.
Administer corticosteroids to support fetal lung maturity.
Place the patient in a left lateral tilt position to improve venous return.
Consider performing a perimortem cesarean section in critical situations.