Table 3.

Clinical and echocardiographic features of right section thrombotic masses

Right section mass	Clinical/echocardiographic features
Right atrial thrombus	Suspicion or already-validated diagnosis of PE
	Isoechoic/hyperechoic intra-atrial, mobile mass with definite edges and variable size or shape
Right ventricular thrombus	Isoechoic/hyperechoic intraventricular mobile mass with definite edges and variable size or shape
	Migrating thrombus into RV in suspected or already-validated diagnosis of PE
	Myocardial infarction of the right ventricle (wall motion-related abnormalities, isoechoic/hyperechoic mass with defined margins distinct from endocardial edge and mural attachment)

PE=Pulmonary embolism, RV=Right ventricle