Is there a polyglandular syndrome that could cause partial adrenal failure and multi-wk episodes of ovarian failure, carb intol, bradycardia, and gastro swelling (sibo, etc.)? rec'd specialty clinic?

Autoimmune disorder: There is a polyglandular autoimmune disorder can involve adrenal, ovaries, and thyroid referred to as aps syndromes. Bradycardia can relate to hypothyroidism. One form of this disorder can be associated with celiac disease and gastritis. An endocrinologist would be best person to determine if you have autoimmune process.

Needs evaluation.: From the data you've provided, it would be advisable for you to see an endocrinologist and a cardiologist for starters. That would enable a clarification of the endocrine and cardiopulmonary issues. Then, if there is a lingering question concerning the rheumatologic tests you've had, a rheumatologist could clarify these. You deserve to have a thorough evaluation.