Blood Glucose Tests
Alternate Names : Blood Sugar
What do the test results mean?
The normal blood glucose levels also vary depending on:
which test was performed
whether a person was fasting before the test
whether any special dietary or glucose substances were given during testing
Increased levels of blood glucose, a condition known as
hyperglycemia, may be caused by the following:
acromegaly,
a condition that causes elongation of the bones of the limbs and head
Cushing syndrome,
a condition in which the level of the hormone cortisol is too high and causes
fatigue,
weakness,
protein loss, swelling, and diabetes mellitus, which is also called DM
diabetes mellitus
diuretics, also known as water pills
gestational diabetes,
or diabetes that develops during pregnancy
inadequate therapy for diabetes mellitus
infection in the pancreas, known as pancreatitis
kidney failure, such as chronic renal failure
liver disease,
such as cirrhosis
pheochromocytoma,
which is a noncancerous tumor that causes an increase in certain chemicals
that can cause high blood pressure
steroid medicines, such as prednisone
stress
response, including infection, severe burns,
or surgery
Decreased levels of blood glucose, a condition known as
hypoglycemia,
may be caused by the following:
Addison disease,
a condition in which there is a decreased amount of the adrenocorticol hormone
blood loss
extensive liver disease
hypopituitarism, a condition in which the pituitary gland does not release enough hormone
hypothyroidism,
a condition in which too little thyroid hormone is present in the blood
insulin overdose
insulinoma, which is a tumor in the pancreas that causes too much insulin to be produced
malabsorption,
or inadequate absorption of nutrients from the stomach or intestines
starvation
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