Due to a shortage of donor hearts. rotary left ventricular assist devices (LVADs) are used to provide mechanical circulatory support. To address the preload insensitivity of the constant speed controller (CSC) used in conventional LVADs. we developed a preload-based Starling-like controller (SLC). https://parisnaturalfoodes.shop/product-category/magnesium-synergy-powder/