2026. The CACNA1C gene polymorphism and Effect of Some Antihypertensive Medication on Cardiac Function Markers in Hypertension Patients: CACNA1C gene polymorphism and Effect of Some Antihypertensive Medication on Cardiac Function. Academic Journal of International University of Erbil. 3, 1 (Jan. 2026), 699–708. DOI:https://doi.org/10.63841/31699.