Evaluating Wearable Smart Sensors for Continuous Measurement of Vital Signs in ICU Patients

Inclusion Criteria-ICU Population:

* Admitted to one of the four ICUs at Lurie Children's or Prentice Women's Hospital
* Under 18 years of age

Inclusion Criteria-Non-ICU Population

* Under 18 years of age
* Willing to visit the Center for Autonomic Medicine in Pediatrics (CAMP) for a one time study visit

Exclusion Criteria-ICU Population:

* A skin abnormality that would potentially increase the risk of device
* 18 years of age or older
* Determined by an attending physician or bedside care team to be too unstable (patient) or experiencing too much stress (family)

Exclusion Criteria-Non-ICU Population:

* A skin abnormality that would potentially increase risk of device use
* 18 years of age or older