Submitral aneurysm is a rare structural abnormality of congenital or acquired aetiology. Most reported cases are from Africa. Unless promptly treated surgically this condition is invariably fatal. We report a case of a young Indian male who presented with dyspnea of recent onset, diagnosed to have a massive submitral aneurysm causing low cardiac output and compression of cardiac structures.
		                        		
		                        		
		                        		
		                        			Africa
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		                        			Aneurysm*
		                        			;
		                        		
		                        			Cardiac Output, Low*
		                        			;
		                        		
		                        			Dyspnea
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		                        			Humans
		                        			;
		                        		
		                        			Male