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.
Consider performing a perimortem cesarean section in critical situations.
Administer corticosteroids to support fetal lung maturity.
Place the patient in a left lateral tilt position to improve venous return.