Fitness basics
Learning Center
Intravenous pyelogram
An intravenous pyelogram is an imaging exam that may be used to help diagnose urinary tract disorders. Learn what to expect during the exam.
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.
Laryngotracheal reconstruction
Laryngotracheal reconstruction surgery — Comprehensive overview covers why it's done and what's involved with the procedure.
Fecal occult blood test
Learn how healthcare professionals use fecal occult blood tests, such as the fecal immunochemical test, to screen for colon cancer.
Active surveillance for prostate cancer
Learn about why doctors may recommend active surveillance for prostate cancer and what to expect.
COVID-19 diagnostic testing
Find out how to test to learn if you're infected with the virus that causes COVID-19.
PSA test
Learn about this prostate cancer screening test, including why it's done, what to expect, risks and results.
Awake brain surgery
Awake brain surgery is performed while you are awake and alert. This type of brain surgery may be used to treat some brain tumors or epileptic seizures.
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.
Holter monitor
This wearable device keeps track of the heart's rhythm during daily activities. Learn when you might need one and what to expect.
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