Eisenmenger syndrome (ES) is a rare progressive heart condition characterized by structural abnormalities of the heart with abnormal blood circulation due to arterioventricular canal defect, patent ductus arteriosus (PDA), atrial septal defect, etc. Untreated patent ductus arteriosus can lead to Eisenmenger syndrome. A 40-year-old female patient was admitted with chief complaints of shortness of breath, chest pain, and insomnia. Her past medical history revealed a rare case of PDA with Eisenmenger Syndrome, severe supra systemic pulmonary arterial hypertension (PAH), and biventricular failure. Elevated Hb level and on physical examination P2 sound was loud. ECG obtained and the report was abnormal, which shows right and left atrial enlargement, incomplete right bundle branch block, RV and LV hypertrophy, ST deviation and moderate T wave abnormality reports manifested right and left heart failure. Treatment was carried out with diuretics, antibiotics along with her past medications.
Key words: Eisenmenger syndrome, Patent ductus arteriosus, Pulmonary arterial hypertension, Biventricular failure, Hypertrophy.