![](/img/logo/vendor/harvard-health-logo-long.png)
Symptom Checker
Step 4: Read and complete the decision guide to learn more about your symptoms.
Positive Rheumatoid Factor
Good, just a few more questions.
Have you had a heart murmur or abnormal heart valve or fever after recent dental work?
Related documents
Disclaimer: This content should not be considered complete and should not be used in place of a call or visit to a health professional. Use of this content is subject to specific terms of use & medical disclaimers.