Tricuspid Regurgitation and ASD on POCUS Echocardiogram Crossing the streams: What are the two abnormal sources of Doppler flow in this image? At least one other interesting finding on this Echo for bonus points. Answers: Tricuspid regurgitation and ASD with L to R flow, ASD was at site for trans-septal puncture for MitraClip placement! - University of Michigan Ultrasound @MaizeandLube #Tricuspid #Regurgitation #ASD #POCUS #Echocardiogram #a4c #clinical #cardiology