Health Library


  • High Blood Pressure

    Covers causes and symptoms of high blood pressure. Explains systolic and diastolic pressure numbers. Looks at treatment and prevention steps. Includes risks of untreated high blood pressure such as heart attack, stroke, and kidney failure.

  • Karyotype Test

    Karyotype is a test to identify and evaluate the size, shape, and number of chromosomes in a sample of body cells. Extra or missing chromosomes, or abnormal positions of chromosome pieces, can cause problems with a person's growth, development, and...

  • Automated Ambulatory Blood Pressure Monitoring

    Your doctor might ask you to use an ambulatory blood pressure monitor after measuring your blood pressure in the doctor's office, to make sure that you actually have high blood pressure. This is because your blood pressure can change during the day.

  • Simple Prostatectomy for Benign Prostatic Hyperplasia

    Discusses traditional surgery to remove an enlarged prostate. Covers what to expect after surgery and risks.

  • Cortisol in Blood Test

    A cortisol test is done to measure the level of the hormone cortisol in the blood. The cortisol level may show problems with the adrenal glands or pituitary gland. Cortisol is made by the adrenal glands. Cortisol levels go up when the pituitary...

  • Guillain-Barré Syndrome

    Guillain-Barré syndrome (GBS) is a rare nerve problem. It occurs when the body's immune system attacks part of the peripheral nervous system. This makes your muscles weak. It can happen after a viral or bacterial infection. GBS can be deadly. But...

  • Saline Nasal Washes for Sinusitis

    Most of the time it is best to do your saltwater (saline) nasal wash before you use your other nasal medicines. The wash will help your sinuses absorb the medicine. Saltwater washes (saline lavage or irrigation) help keep the nasal passages open by...

  • Aortic Aneurysm

    Discusses causes and symptoms of aneurysms that form in an artery called the aorta. Links to pictures of abdominal aneurysm and thoracic aneurysm. Covers treatment with medicines or surgery. Also looks at lifestyle changes that may help.

  • Aldosterone in Blood Test

    An aldosterone test measures the level of aldosterone (a hormone made by the adrenal glands), in the blood. Aldosterone helps regulate sodium and potassium levels in the body. This helps control blood pressure and the balance of fluids and...

  • Vaginal Wet Mount

    A vaginal wet mount (sometimes called a vaginal smear) is a test to find the cause of vaginitis, or inflammation of the vagina and the vulva. Vaginitis is often caused by an infection. The most common infections that can cause vaginitis include bacterial vaginosis, yeast infections, and trichomoniasis. For the...