All calculators

Emergency Medicine · Orthopedics

Ottawa Shoulder Rule calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Result

Sign in to run this calculator

Browse inputs freely. Sign in to calculate with your values.

Formula inputs

  • age ge 40
  • traumatic mechanism
  • tender mid clavicle
  • tender proximal humerus
  • tender scapula
  • deformity or dislocation

Primary source

Stiell IG et al. The validation of the Ottawa shoulder rules. J Emerg Med. DOI: 10.1016/j.jemermed.2009.10.004. PMID: 20045660. Scope: shoulder radiography indicated (1) when traumatic mechanism is present and any of age ≥40, mid-clavicle tenderness, proximal humerus tenderness, scapula tenderness, or deformity/dislocation is present. (2010)

View source