Hemorrhagic Pericardial Effusion on POCUS Echocardiogram

What is most likely occupying the space indicated by the arrow?
Blood. Unclotted blood remains anechoic around clotted blood giving snakelike appearance. 

#Hemorrhagic #Pericardial #Effusion #POCUS #Echocardiogram #Clinical #S4C #cardiology 
Meghan Kelly Herbst, MD @eusmkh · 5 years ago
UCONN Associate Professor in Emergency Medicine. Ultrasound Fellowship Yale 2011. Family, patients, education, running = my life. https://twitter.com/EUSmkh | https://www.instagram.com/eus_mkh/
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