How do you use cardiac POCUS to potentially defer formal echocardiogram in patients presenting with an acute pulmonary embolism?  

In patients with acute PE, cardiac ultrasound is useful in risk stratification and identification of patients at higher risk of short-term mortality and complications. Signs to look for on POCUS are: RV dilatation (RV>LV on apical 4-chamber view), McConnell Sign (hyperkinetic RV apex with hypokin...