How does someone get diagnosed with bursitis behind their shoulder blade? and what would the treatment be for healing?

By exam ; exclusion: Exam usually is the critical factor, but images r also needed 2 r/o any other boney disease. U usually have a feeling like cellophane is under the scapula, ; u can hear ; feel it. Some people have no symptoms but r concerned about the noise. Treatment is symptomatic, nsaids, pt may help, but u only need treatment if painful., there's no joint involved, so doesn't lead 2 arthritis.

Trigger point: Injection with cortisone will help.