Electrocardiographic interpretation by emergency medical services professionals in Saudi Arabia: A cross sectional study. oleh Mohammed Abdullah Alalwan, Talal Alshammari, Hassan Alawjan, Hassan Alkhayat, Ahmed Alsaleh, Ibrahim Alamri, Alaa Aldubaikel, Jaber Alqahtani, Ahmad Alrawashdeh, Saeed Alqahtani