Changes

:*Portal vein measurement and Doppler:::*Dilated portal vein: >13 mm (sensitivity 42%, specificity 95-100%)<ref name=Radiopaedia-Cirrhosis/>::*Slow portal venous flow on Doppler: <15 cm/sec<ref name=Radiopaedia-Cirrhosis/>::*Reversal or alternating directions of portal venous flow<ref name=Radiopaedia-Cirrhosis/>::*Portal venous thrombosis with or without cavernous transformation<ref name=Radiopaedia-Cirrhosis/>::*Dilated superior mesenteric cavernous transformation of the portal vein and splenic vein of > 10mm.,<ref name=Radiopaedia-Cirrhosis/> These should be measured during deep inspiration since it may vary with respirationappearing like multiple veins.<ref name=Radiopaedia-Cirrhosis/>:*Loss of respiratory variation in superior mesenteric vein and splenic vein on spectral Hepatic artery Doppler<ref name=Radiopaedia-Cirrhosis/>::*Re-canalisation and hepatofugal paraumbilical venous flow.<ref name=Radiopaedia-Cirrhosis/>:*Portalisation of Increased velocity in hepatic vein flow on Dopplerartery<ref name=Radiopaedia-Cirrhosis/>::*Corkscrew appearance of hepatic arteries<ref name=Radiopaedia-Cirrhosis/>:*Increased velocity in hepatic artery<ref name=Radiopaedia-Cirrhosis/>:*Splenomegaly<ref name=Radiopaedia-Cirrhosis/> (see [[ultrasonography of the spleen]]for size cutoffs):*Ascites,<ref name=Radiopaedia-Cirrhosis/>with fluid seen in the hepatorenal recess.

:''For further signs of portal hypertension, which may be used upon specific portal hypertension referral, see '''[[Ultrasonography of portal hypertension]]'''*Portal flow pulsatility: An increased portal vein pulsatility is an indicator of cirrhosis(even without portal hypertension), but may also be caused by an increased right atrial pressure.<ref name="IranpourLall2016">{{cite journal|last1=Iranpour|first1=Pooya|last2=Lall|first2=Chandana|last3=Houshyar|first3=Roozbeh|last4=Helmy|first4=Mohammad|last5=Yang|first5=Albert|last6=Choi|first6=Joon-Il|last7=Ward|first7=Garrett|last8=Goodwin|first8=Scott C|title=Altered Doppler flow patterns in cirrhosis patients: an overview|journal=Ultrasonography|volume=35|issue=1|year=2016|pages=3–12|issn=2288-5919|doi=10.14366/usg.15020}}</ref> Portal vein pulsatility can be quantified by pulsatility indices (PI), where an index above a certain cutoff indicates pathology: