As a continuation of the good advice of Ms. Hobbs, you might consider "Find a Lawyer" function at the bottom of this page.
The above is general legal and business analysis. It is not "legal advice" but analysis, and different lawyers may analyse this matter differently, especially if there are additional facts not reflected in the question. I am not your attorney until retained by a written retainer agreement signed by both of us. I am only licensed in California. See also avvo.com terms and conditions item 9, incorporated as if it was reprinted here.
I'm sorry to hear about this misdiagnosis. Retain a local med mal lawyer to order all the medical records to send to an expert to review to ascertain whether there was a breach of the standard of care.
Sounds lie you may have a medical malpractice case. We handle these cases all over California, for a free consultation call 800 816 1529 x.1.
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I am not familiar with this medical center, but you need to call an attorney and get this case reviewed. I think there may be a case, but you may have as little as 6 months from the ER visit to file, so do not wait.
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