Smart patch may replace finger sticks for hospital insulin dosing

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Age \>19 years old * Patients with diabetes or stress induced hyperglycemia requiring continuous insulin infusion therapy, with anticipated duration of this therapy being \> 24 hours. Specifically, we will include * Patients with Type 2 diabetes; or if not previously diagnosed as having diabetes, HbA1c \>7.0% (laboratory-measured at or since hospital admission or within prior 3-months). * Type 1 diabetes, as well as atypical forms of diabetes (including pancreatectomy and pancreatitis) and * Stress hyperglycemia defined as at least 1 blood glucose measurement \>180 mg/dL since admission in a patient without history of diabetes, if CII is indicated per treating physician * Insulin drip (CII) already initiated since admission or planned to be initiated * Non-critical hospitalization with expected duration of CII \> 24 hours at time of randomization * Oncology and post-transplant population receiving IV insulin therapy Exclusion Criteria: * Inability to provide written consent * Medically unstable patients receiving pressor therapy and ICU level of care. * Patients transferred from ICU with an expected requirement for CII \> 24 hours on a non-ICU floor are eligible) * For women of childbearing potential: currently pregnant or breastfeeding * Hypoxia (O2 saturation \< 90 %) present at time of potential enrollment * Hemoglobin \< 7 mg/dL; * Anasarca present at time of potential enrollment * Use of hydroxyurea or high dose acetaminophen use of \>4g daily as those are substances known to interfere with CGM system. * eGFR \< 20 mL/min or dialysis being received or planned * Known allergy to medical grade adhesives or a skin condition that may impact CGM performance per investigator discretion * Admission for Diabetic ketoacidosis or hyperosmolar hyperglycemic state Nurse Participants: * Adults aged 19 and older involved in the routine care of the patient participants * Adequate proficiency to understand and provide informed consent in English