In-depth

Blood urea nitrogen (BUN) test

A blood urea nitrogen (BUN) test is used primarily to diagnose kidney disorders. It can also be helpful in detecting other medical problems.

Creatinine test

A creatinine test reveals important information about your kidneys. Find out what the results of this common blood test mean for you.

Diabetic hyperosmolar syndrome

Do you have type 2 diabetes? Find out what can happen if you don't follow your treatment plan or check your blood sugar regularly.

Diabetic hypoglycemia

Diabetic hypoglycemia — Comprehensive overview covers causes, symptoms and treatment of low blood sugar.

Fatigue

Fatigue can signal many things. Here are some tips to help you decipher why you're wiped out and to regain your energy.

Frequent urination

Frequent urination, the need to urinate more often than usual, can indicate several disorders of the urinary tract.

Heart arrhythmias

Hyperglycemia in diabetes

Hyperglycemia in diabetes — Comprehensive overview covers causes, symptoms and treatments of high blood sugar.

Shortness of breath

Shortness of breath can be frightening. Most of the time, a heart or lung condition is the cause.

Tachycardia

Tachycardia, a rapid heart rate, is caused by an abnormality in your heart's electrical impulses. Tachycardia can cause serious complications, including sudden cardiac arrest.

Jun. 19, 2012

You Are ... The Campaign for Mayo Clinic

Mayo Clinic is a not-for-profit organization. Make a difference today.