Dual Doppler echocardiography is the technique of simultaneously recording Doppler signals of two types, used for recording E wave and e’ simultaneously.
Posterior leaflet has three independently mobile scallops named P1, P2 and P3. Anterior leaflet is divided into virtual subdivisions known as A1, A2 and A3.
Merlon sign and square root sign in endomyocardial fibrosis Merlon sign in endomyocardial fibrosis is characterized by a hypercontractile basal ventricle opposing an obliterated apex which is hypokinetic
Tetralogy of Fallot, transposition of great arteries, double outlet right ventricle and truncus arteriosus are the common types of conotruncal anomalies.
Echo showing right ventricle, aorta, left atrium, left ventricle and flail posterior mitral leaflet which points back into the left atrium during systole.