Hi.....I m a 65 yr. old woman in good health. I got sick about 3 weeks ago, nausea and heart palpitations, and when I exercise my heart would start racing about half way through the class. Last Friday I went to my dr. and she said my blood pressure was 90/50. My pressure is always normal before that. She had me get an EKG, chest X-ray, and blood tests. I saw the EKG was normal. If my blood tests are normal, should I ask her for more tests for a possible heart condition? Also, what do you think about Adrenal suppression?