A Rare and Fatal Case of Ortner’s Syndrome in A Nigerian Infant

Ortner’s Syndrome, also known as cardio-vocal syndrome, is a rare condition characterized by hoarseness of voice resulting from compression or irritation of the recurrent laryngeal nerve due to cardiovascular anomalies, typically left atrial enlargement. This case report presents a Nigerian infant diagnosed with Ortner’s Syndrome secondary to cleft mitral valve with severe mitral valve regurgitation and left sided infective endocarditis, emphasizing the clinical features, diagnostic workup, and management in a low- and middle-income countries