Case of the Month #7 - pulmonary embolism

Published 03/02/2022

What are findings suggestive of RV dysfunction on TTE?

  • Enlarged, dilated RV with RV/LV diameter ratio > 1 in 4-chamber view 
  • Flattened intraventricular septum in the parasternal short axis view 
  • Tricuspid annular plane systolic excursion (TAPSE) <16mm 
  • Dilated inferior vena cava with reduced inspiratory collapsibility in the subcostal view 
  • McConnell sign:  hypokinetic RV free wall with preserved contractility of RV apex