Fig. 7
From: Make it SIMPLE: enhanced shock management by focused cardiac ultrasound
Pulmonary embolism. In this apical four-chamber view, echogenic blood clots (red arrows) in the right atrium protruding into the right ventricle through the tricuspid valve during diastole are seen in a patient with confirmed massive pulmonary embolism(RA right atrium, RV right ventricle, LA left atrium, LV left ventricle)