Lead Sponsor

Kathleen Dungan

Age

18 - No limit years

Sex

ALL

Healthy Volunteers

No

•Either of the following: Mild Diabetes Mellitus or Stress Hyperglycemia
•AND:
•Cardiac Surgery
•Insulin Requirement between 8-30 units subcutaneous on post-op day 3 or later off pressors, off enteral feeding, extubated OR glucose \>150 mg/dL at least twice in a 24 hour period (\>4 hours apart) and otherwise not requiring basal insulin

•use of pressors, mechanical ventilation, or enteral or parenteral feeding within previous 12 hours
•glucocorticoids in doses exceeding the equivalent of Prednisone 10 mg/day within the previous 48 hours
•left ventricular assist device
•percutaneous or laparoscopic surgery
•end stage renal disease
•end stage liver disease
•history of pancreatitis
•type 1 diabetes
•pregnancy
•unable to give consent in english
•no phone
•prisoners
•less than 18 years of age