Patients will be identified during their anesthesia preoperative clinic or orthopedic inpatient unit (Parkland Hospital or UT Southwestern University Hospital) for the eligibility. Data base (EPIC) will also be used for prescreening of potential subject by reviewing clinic visit daily schedule or operating room schedule. Then patients chart will be reviewed for initial data collection to determine the eligibility of potential subjects with the use of a HIPAA waiver form. Eligible subject will be approached by the study PI, investigators, or research coordinator and written consent obtained prior to any study procedures.