Clinical Research Directory

Inclusion Criteria: * Male and female patients 75 years of age and older. * Patients admitted with an acute infection (clinically from a respiratory or urinary source). * Expected length of hospitalization of at least 4 days. * Patients who are conscious and cognitively able to provide written informed consent as determined by a score of 0 on the 4AT scale Exclusion Criteria: * Male and female patients under 75 years of age. * Expected length of hospitalization of less than 4 days. * A condition limiting the use of the virtual gate device (VGD) due to factors relating to discomfort or safety, including but not limited to: fracture, amputation, local infection, pain, paralysis of one or both lower limbs, cardiac arrhythmia or cardiac pacemaker. * Patients who are unable to or do not provide informed consent for participation. * A score 1 or more on the 4AT scale.