Fitness basics
Learning Center
COVID-19 diagnostic testing
Find out how COVID-19 diagnostic testing is done to learn if you're currently infected with SARS-CoV-2, the virus that causes coronavirus disease 2019.
Cardiac resynchronization therapy
This heart failure treatment uses a pacemaker or a pacemaker with a defibrillator. Know when the treatment is needed.
Virtual colonoscopy
Unlike other colon cancer screening tests, this imaging test doesn't use a scope to examine your colon. Learn how it works and what to expect.
Knee replacement
Knee replacement surgery can relieve pain and restore function to a knee joint that's severely damaged, usually by arthritis.
ANA test
An antinuclear antibody (ANA) test is one test used to help determine if you have an autoimmune disease such as lupus.
Bone density test
If your doctor suspects you have osteoporosis, a bone density test can assess your bone strength. Learn about the risks and results of this procedure.
Telestroke (stroke telemedicine)
Telestroke or stroke telemedicine uses technology to provide expert stroke care in smaller communities.
Hip replacement
Hip replacement may be an option if your hip pain interferes with daily activities and nonsurgical treatments haven't helped.
Pacemaker
This cardiac pacing device is placed in the chest to help control the heartbeat. Know when you might need one.
Coronary angioplasty and stents
Coronary angioplasty and stents can open clogged blood vessels that deliver blood to heart muscles.
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