Observational Study of CT Dye Administration Through the Intraosseous Vascular Access Route

Inclusion Criteria: * Aged 18 years or older * Has received intraosseous (IO) vascular access at the proximal humerus insertion site via EZ-IO 45 mm needle set, as standard of care * Requires Computed Tomography (CT) examination with contrast media delivery via proximal humerus intraosseous catheter, as standard of care * Cognitively and physically able to give written consent to participate in the study or is obtained from a Legally Authorized Representative (LAR) Exclusion Criteria: * Fracture in target bone, or significant trauma to the site * Excessive tissue and/or absence of adequate anatomical landmarks in target bone * Infection in target area * IO insertion in past 24 hours, prosthetic limb or joint or other significant orthopedic procedure in target bone * Allergy to contrast media * Imprisoned * Pregnant * Requires English language translation other than Spanish * Has received proximal humerus IO access with an IO catheter other than the EZ-IO 45 millimeter (mm) needle set system * Has existing proximal humerus IO access using the EZ-IO 45 mm needle set but IO catheter is mal-positioned or dislodged