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.
1 This is a doctor who specializes in diagnosing and treating heart diseases and conditions. You may go to a cardiologist if you have peripheral artery disease (P.A.D.) or coronary microvascular disease (MVD).  A vascular specialist. This is a doctor who specializes in diagnosing and treating blood vessel problems.