I believe that I was injured as a result of the negligence of a nurse in a Nashville hospital. How do I make a medical malpractice claim?
The first thing you do is contact a lawyer who has substantial experience in medical malpractice cases and who represents patients, not health care providers. Read here for more information about hiring a lawyer.
From the factual summary you give, that lawyer will determine whether he can investigate your case. The investigation has several components, starting with gathering, organizing and reviewing the medical records that are relevant to your claim.