CFV THROMBOSIS CFV filled with echoes & non-compressible	CFV REFLUX Retrograde flow seen on valsalva
INCOMPETENT PERFORATOR Reverse flow from deep to superficial venous system	HEPATO-FUGAL PV FLOW Reverse portal vein flow in Portal Hypertension
CAVERNOUS TRANSFORMATION: PV Sequele of thrombosis	VARICES AT SPLENIC HILUM Portal Hypertension
PV THROMBUS Echoes filling in portal vein lumen with partial flow	ORCHITIS Grossly increased vascularity
VARICOCELE Dilated veins with reflux	TESTICULAR TORSION Absent colour flow, Hypoechoic strations