Aerobic exercise
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Rheumatoid factor
Rheumatoid factor — This blood test can help diagnose autoimmune disorders such as rheumatoid arthritis, Sjogren syndrome and lupus.
Rhinoplasty
Learn about the benefits, risks and what to expect during nose surgery.
Rhythm method for natural family planning
Want to know the best time of month to conceive or avoid pregnancy? The rhythm method is a natural form of family planning that can help. Learn the steps.
Robotic hysterectomy
Robotic hysterectomy is a minimally invasive surgery to remove the uterus.
Robotic myomectomy
Learn about this minimally invasive procedure to remove uterine fibroids that may reduce pain, blood loss and recovery time.
Robotic surgery
Robotic systems can help surgeons increase precision, flexibility and control for many procedures. Learn about the advantages and availability of robot-assisted surgery.
SPECT scan
SPECT scans use radioactive tracers and special cameras to create images of your internal organs. Find out what to expect during your SPECT.
SVT ablation
Discover how cold or heat energy is used to correct fast and erratic heartbeats, such as atrial tachycardia and AV node reentrant tachycardia.
Sclerotherapy
Learn what's involved in this treatment for varicose veins, including the risks and what to expect.
Sed rate (erythrocyte sedimentation rate)
Sed rate is a blood test that can reveal inflammatory activity in your body. It's often used to help diagnose conditions affecting your joints or muscles.
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