Shoulder Dislocation:
Gottlieb M, Holladay D, Peksa GD. Point-of-care ultrasound for the diagnosis of shoulder dislocation: A systematic review and meta-analysis. Am J Emerg Med. 2019 Apr;37(4):757-761. doi: 10.1016/j.ajem.2019.02.024. Epub 2019 Feb 19. PMID: 30797607.
Seven studies (739 assessments with 306 dislocations) met inclusion criteria. POCUS was 99.1% (95% CI 84.9% to 100%) sensitive and 99.9% (95% CI 88.9% to 100%) specific for the diagnosis of shoulder dislocation with a LR+ of 796.2 (95% CI 8.0 to 79,086.0) and a LR- of 0.01 (95% CI 0 to 0.17).
Necrotizing Fasciitis:
Castleberg E, Jenson N, Dinh VA. Diagnosis of necrotizing faciitis with bedside ultrasound: the STAFF Exam. West J Emerg Med. 2014 Feb;15(1):111-3. doi: 10.5811/westjem.2013.8.18303. PMID: 24578776; PMCID: PMC3935782.
Case report of necrotizing fasciitis diagnosed using bedside ultrasound evaluating for subcutaneous thickening, air, and fascial fluid (STAFF)