ABSTRACT: Objective: Hyperkalemia can occur following unilateral adrenalectomy for primary aldosteronism due to hypoaldosteronism. We hereby report the cases of 4 male patients exhibiting prolonged failure of the renin-aldosterone (RA) axis in association with normal-to-high kalemia or labile blood pressure and. most significantly. a decrease in extracellular fluid volume (ECFV). https://foldlyers.shop/product-category/in-car-chargers/