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Hyperglycemia

👤by MedicineNet.com 0 comments 🕔Wednesday, June 11th, 2014

Hyperglycemia is the medical term describing an abnormally high blood glucose (blood sugar) level. Blood sugar is measured in a sample of blood taken from a vein or from a small finger stick sample of blood. It can be measured in a laboratory either alone or with other blood tests, or it can be measured using a handheld glucometer, a small device that allows frequent monitoring of blood glucose levels without the need for a doctor's office or laboratory.

Hyperglycemia is a hallmark sign of diabetes (both type 1 diabetes and type 2 diabetes) and prediabetes. Normal ranges for blood glucose measurements can vary slightly among different laboratories, but in general a fasting (early a.m. before breakfast) glucose level is considered normal if it is between 70-100 mg/dL. Glucose levels may rise slightly above this range following a meal. Random blood glucose measurements are usually lower than 125 mg/dL.

Diabetic Ketoacidosis Symptoms

People with diabetes don't have the luxury of that auto-sensing. Not enough insulin and the glucose levels in the blood stream start to rise; too much insulin, and they plummet.

The consequences of hypoglycemia are easy to understand. No energy source, no function - and the first organ to go is the brain. It needs glucose to function and without it, the brain shuts down quickly. Confusion, lethargy, and coma occur quickly. Blood sugar is one of the first things checked on scene of a comatose patient, because it's so easy to fix and very embarrassing for an EMT to miss.

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