Do ER's check blood sugar?
Yes, emergency room protocols have blood sugar check as one of the parameters. It may be done in patients with suspicion on deranged blood sugar levels.
Yes, unintentional weight loss is one of the symptoms of Diabetes mellitus.
Diabetes is condition for which exact cause is unknown. But being unhealthy interms of obesity and other comorbid conditions increase the risk of developing diabetes, there are other causes such as family history/ presence of autoantibodies/ polycystic ovarian syndrome etc which increase the risk.
Diabetes when uncontrolled can cause sudden increase in blood sugar level causing an emergency called Diabetic ketoacidosis which can be life threatening if not treated in time. Also, long standing Diabetes may lead to increased risk of Heart attack/ Angina/ Stroke, Nerve damage, Kidney damage, Gastroparesis (Nausea/ vomiting) Diarrhea or constipation, Eye damage - blindness, Increased risk of cataract and glaucoma, Foot damage/ amputations, Skin infections, Increased risk of Alzheimer's disease/ Depression/ Hearing impairment.
Patients with diabetes produce some amount of insulin.