Inclusion Criteria:  Participant is presenting to the University of Wisconsin Emergency Department Participant has an acute skin complaint on the lower extremity  Exclusion Criteria:  Participant is non-English speaking There was an acute traumatic injury of affected area in last 5 days- includes burns Affected area has a confirmed fracture Participant is pregnant Participant is a prisoner Current complaint is in an area of past surgical procedure (within past 4 weeks) Participant has implant or hardware at site Animal or human bite is cause of complaint Temperature of the leg has been altered in the last one hour Complaint is exclusive to toes Unable to provide informed consent