Institut Jantung Negara (IJN), also known as the National Heart Institute, is a specialised cardiovascular and thoracic centre in Kuala Lumpur, Malaysia. Established in 1992, IJN provides tertiary and complex cardiac care for adults and children, with services spanning cardiology, cardiothoracic and vascular surgery, paediatric cardiology, congenital heart disease and advanced cardiovascular medicine.
IJN provides a broad range of cardiac treatments and procedures, including coronary angiography, percutaneous coronary intervention (PCI), electrophysiology and ablation, pacemaker and implantable cardiac device procedures, transcatheter aortic valve implantation (TAVI), transcatheter mitral and tricuspid interventions, coronary artery bypass grafting (CABG), valve surgery, aortic surgery and mechanical circulatory support. Its surgical services also include heart and lung transplantation and treatment for complex and advanced heart conditions.
For children and patients with congenital heart disease, the Paediatric and Congenital Heart Centre provides integrated care from fetal diagnosis through infancy, childhood and adolescence, as well as care for adults living with congenital heart conditions. IJN's specialist services cover both surgical and non-surgical management, supported by paediatric cardiac intensive care and dedicated clinical teams.
The institute's facilities include 461 beds, 9 operating theatres including a hybrid operating theatre, 6 invasive cardiac laboratories, intensive and coronary care units, paediatric and congenital cardiac intensive care, diagnostic services and cardiac rehabilitation. IJN also maintains multidisciplinary support through physiotherapy, dietetics, pharmacy and other allied health services.
IJN is accredited by the Joint Commission International (JCI) and the Malaysian Society for Quality in Health (MSQH), with its medical laboratory accredited to MS ISO 15189. In 2026, IJN became Malaysia's first hospital to achieve HIMSS EMRAM Stage 7, while its Heart Failure Centre became Malaysia's first JCI Centre of Excellence Heart Failure Programme. Its Ventricular Septal Defect programme was also recognised as the world's first JCI VSD Clinical Care Programme.
For international patients, IJN's International Patient Centre coordinates medical care and practical support, including interpretation, hotel arrangements, ground transportation and visa assistance. These services make IJN an established option for patients seeking specialised cardiovascular and thoracic treatment in Malaysia.