Autoimmune disorders: Diseases in which the immune system attacks the bodyâs own tissues can lead to nerve damage. 1  This can include disorders such as systemic lupus erythematosus, SjÃ¶grenâs, rheumatoid arthritis, etc.
Educational Requirements. A cardiac nurse is an advanced practice nurse practitioner or clinical nurse specialist who possesses a graduate-level degree in nursing. Many cardiac nurses possess masterâs degrees in nursing and then go on to receive a post-masterâs certificate in their cardiovascular specialty.
For diagnosis and management of high blood pressure, see: 1  A primary care doctor. 2  An internist. 3  A cardiologist (heart specialist). 4  In general, a cardiologist is needed only in cases of extremely high blood pressure or when the person has other serious heart problems.5  A nephrologist (kidney specialist), in extreme cases.or diagnosis and management of high blood pressure, see: 1  A primary care doctor. 2  An internist. 3  A cardiologist (heart specialist). 4  A nephrologist (kidney specialist), in extreme cases. 5  A nurse practitioner. 6  A physician assistant.