J o u r n a l P r e -p r o o f A case of biventricular non -compaction associated with pulmonary arterio-venous malformation presenting as cyanotic heart disease Abstract word count: 49 Abstract: We present the case of a 19-year-old woman who presented with cyanosis and on investigation (Multi Modality imaging) was found to have biventricular non-compaction associated with pulmonary arteriovenous malformation -an association not hitherto reported. Word count: 999