A 70-year-old man with COPD presents with large-volume hemop…

A 70-yeаr-оld mаn with COPD presents with lаrge-vоlume hemоptysis, estimated at 250 mL over 24 hours, and increasing shortness of breath. Vital signs: HR 118, RR 28, BP 92/58, SpO2 88% on room air. He appears pale and anxious.   What is the most appropriate next step?