You are initiating treatment for a child with septic shock and hypotension. While administering high-flow oxygen you determine that the child's respirations are adequate and SpO2 is 100. What is the next step in management?
1) Administer repeated fluid boluses of isotonic colloid
2) Administer repeated fluid boluses of isotonic crystalloid
3) Begin immediate dopamine infusion
4) Begin immediate dobutamine infusion