Background- Patients with myocardial infarction (MI) who are in the acute vs chronic stable phase are at a higher long-term risk for recurrent cardiovascular events. This study was carried out to assess the risk factors for cardiovascular (CVD) morbidity and all-cause mortality, as well as to establish the interval between the acute and chronic stable phases of illness. Methods- The study included 120 patients with acute coronary syndrome who were diagnosed with the condition and were admitted to the Darbhanga Medical College & Hospital, Department of Cardiology.