<prompt> Conns syndrome is characterized by -HyperinsulinismHypehyroidismHypoadrenalismHyperaldosteronism  <response>: Conn syndrome refers specifically to primary hyperaldosteronism due to the presence of an adrenal aldosteronoma aldosterone-secreting benign adrenal neoplasm or aldosterone producing adenoma APA. It is characterised by low renin and high aldosterone levels. Reference : page 780 Davidsons Principles and practice of Medicine 22nd edition 