Evaluation of Clinically Significant Cardiac Abnormalities in Patients with Normal Electrocardiogram using Transthoracic Electrocardiography - A. Alhibaly, Hameed; Hussein Al-Jameel, Hameed; Hussein Bdair, Ban Waheed; Jabbar Rahi Algraittee, Satar (Acta Medica Iranica, 2021)