A rare cause of pulmonary hypertension in an elderly woman

Diastolic dysfunction is a common substrate of pulmonary hypertension(PH) in the elderly.A minority of them,however,has another etiology of PH with diastolic dysfunction as a confounder,the alarming echocardiographic features of which are important to recognize.For example,dilated coronary sinus is unusual,as is significantly dilated right atrium.