An 45 y/o adult presents with severe R knee pain (10/10) aft…
An 45 y/o adult presents with severe R knee pain (10/10) after slipping on icy steps and landing on a concrete sidewalk. The right knee presents with tenderness, swelling, and deformity. The patient has no past medical history or allergies. Weight: 200 lbs. VS: BP 146/96; P 92; R 16; SPO2 97%; EtCO2 35; lung sounds: clear. What first single dose of fentanyl should be given?