D-Sign in a lady with Massive PE - The LV should always be round like a doughnut (“O”-shaped). When ↑ pulmonary pressures overwhelm the RV, the septum gives way and flattens out. LV takes shape of a Capital “D" ! - Sam Ghali @EM_RESUS #Clinical #POCUS #Cardiac #Echocardiogram #PSAX #DSign #MassivePE #PulmonaryEmbolism
