Dismiss Modal

I acknowledge that:

Choose a preferred language
  1. This WebMD Ignite Digital Health Education Content site, and any information and resources contained on this site: (i) is provided for informational purposes only, (ii) may be unreliable for many reasons including subsequent research, findings and test results, and (iii) is not intended to be relied upon for medical diagnosis or treatment nor a substitute for medical advice or the care that patients receive from their healthcare providers.

  2. I understand and agree that WebMD Ignite, its subsidiaries and/or affiliated companies nor its suppliers or vendors are responsible or liable for any claim, loss or damage directly or indirectly resulting from my use of this site or the information or resources contained on, or accessible through, this site.

  3. My use of this site is subject to all additional disclaimers and caveats that may appear throughout the site.

  4. This site may contain links to websites that are not operated by, affiliated with, or endorsed by WebMD Ignite. Because these third-party sites are not under WebMD Ignite’s control, any link to a third-party site is provided for purposes of reference only and WebMD Ignite is not responsible for any information on, or my use of, any third-party site.

  5. I understand that the use of foreign language translation services that may be available are at my own risk and that these foreign language translations may be unreliable for medical or any other purposes.

  6. I access and use this site and any other linked sites, including the information, services, products, materials and any other resources contained on them, solely at my own risk. 

  7. In the event that I have a question regarding any health-related information or resources on this site, I should consult my healthcare provider.

  8. People under the age of 18 should not use this site because the site is not designed for minors.

 

Reviewed and Approved by the Quality Management Accreditation Council: 4Q 2023

Revised: March 2025

Author: Daphne Pierce-Smith, RN, MSN, CCRC

Make an Appointment

Make an Appointment

Find a Doctor

Find a Doctor

Find a Location

Find a Location
Related Articles
Read article
Hematology
Anion Gap (Blood)

This test looks at electrically charged particles in your blood to help your doctor diagnose acid-base imbalances.

Read article
Metabolic Conditions
Thyroid Fine Needle Aspiration (FNA) Biopsy

Hard nodules can sometimes form inside the thyroid gland. You may notice a small bump in the gland area. Thyroid nodules are common. The nodules are often not dangerous. But in some cases, they can be thyroid cancer. A thyroid FNA biopsy can test for cancer.

Read article
Hematology
Creatine Kinase MB (Blood)

This test measures the amount of the enzyme creatine kinase in your blood. A certain form of this enzyme can help find out whether you're having a heart attack.

Read article
Eye Care
Acquired Brown Syndrome (Superior Oblique Tendon Sheath Syndrome)

Brown syndrome is a problem with a tendon that attaches to the eyeball. In Brown syndrome, this tendon can’t move freely. This limits the eye’s normal movement. Brown syndrome is a rare disorder. It is usually present at birth (congenital). In some cases, it occurs later in life (acquired).