A 40s M presents with intermittent, atraumatic knee pain for several years, worse for a day. On exam, his right knee appears fine. I think there’s a small effusion and a positive Lachman. I get an x-ray. What do we do next?

Jacobi / Montefiore Emergency Medicine Residency
A 40s M presents with intermittent, atraumatic knee pain for several years, worse for a day. On exam, his right knee appears fine. I think there’s a small effusion and a positive Lachman. I get an x-ray. What do we do next?
