Clinical Research Directory

Inclusion Criteria: * Age 18 and older * Able to speak English * Ambulatory \[assistive devices ok\] * Preoperative Anesthesia and Surgical Screening (PASS) clinic patient with DASI score \<34 * Able to provide informed consent Exclusion Criteria: * Acute myocardial infarction (3-5 days) * Unstable angina * Severe untreated arterial hypertension at rest (\>200 mm Hg systolic, \>120 mm Hg diastolic) * Resting heart rate \> 120 bpm * Room air desaturation at rest on room air \<85% * Inmate of correctional facility (i.e. prisoner) * Diagnosed history of dementia * Inability to ambulate independently * Considered inappropriate to participate by Principal Investigator