Hyperaldosteronism, Familial, Type Iv, also known as hald4, is related to conn's syndrome and hypertension, essential. An important gene associated with Hyperaldosteronism, Familial, Type Iv is CACNA1H (Calcium Voltage-Gated Channel Subunit Alpha1 H). Affiliated tissues include adrenal gland, and related phenotypes are hypertension and hyperaldosteronism