“…The study indicated a satisfactory class adherence to ACEIs/ARBs/ARNi, BBs, and MRAs for HFrEF and consistent with previous studies in Sudan and SSA and in Gulf DYSPNEA registry. 7,[21][22][23] Among studied patients, 86%, 93.6%, and 58.2% were prescribed ACEIs/ARBs/ARNi, BBs, and MRAs therapy, respectively (Table 2). Unfortunately, the international registries and our study described good adherence to evidence-based medications also reported use of suboptimal doses, as most patients were not prescribed guideline-recommended target doses of these medications.…”