What is the recommended initial oxygen delivery and general titration approach for suspected hypoxemia aboard?

• A. Start 2-4 L/min via nasal cannula; titrate based on patient symptoms and vitals; escalate to higher-flow devices as available.
• B. Initiate at 6-8 L/min with a simple mask and maintain constant flow.
• C. Use only non-rebreather mask at 15 L/min for all suspected hypoxemia.
• D. Delay oxygen until EMS arrives.

Answer: (A)