Nutrition basics
Learning Center
Pediatric cervical spine surgery
This surgery can treat injuries and conditions that are present at birth and that affect the neck area of the spine.
Pelvic exam
Find out what happens during this exam, why it might be needed and how to prepare.
Polysomnography (sleep study)
Your health care provider may order this test if a sleep disorder such as sleep apnea is suspected. Learn how to prepare and what to expect.
Positron emission tomography scan
Learn how this imaging scan can play an important role in early detection of health problems, such as cancer, heart disease and brain disorders.
Proton therapy
Learn about this newer form of radiation therapy, used to treat cancer and noncancerous tumors, and how it's different from X-ray radiation.
Pulmonary valve repair and replacement
A congenital heart defect can cause a leaky or blocked pulmonary valve. Know the symptoms and how it's treated.
Radiation therapy
Radiation therapy is a common means of treating many types of cancer. Find out what to expect during your radiation therapy treatment.
Rh factor blood test
What's an Rh factor blood test? Understand this important test that's done during pregnancy.
Rheumatoid factor
Rheumatoid factor — This blood test can help diagnose autoimmune disorders such as rheumatoid arthritis, Sjogren syndrome and lupus.
Robotic hysterectomy
Robotic hysterectomy is a minimally invasive surgery to remove the uterus.
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