Dr Abdul Razakjr Bin Omar serves as a senior cardiologist at Mount Elizabeth Hospital, Singapore, with over 25 years of clinical experience. He treats cardiac arrhythmia and general heart conditions, focusing on issues like palpitations, fainting, and sudden cardiac arrest. He performs procedures such as cardiac catheterisation, electrophysiology studies, radiofrequency ablation, and implantation of pacemakers and defibrillators. Dr Abdul Razakjr also teaches at the Yong Loo Lin School of Medicine and actively contributes to medical research, professional associations, and community health initiatives.