Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Cirrhotic patients with positive or negative transthoracic contrast echocardiography according to their PaO2 and AaDO2 values. Previously published cut off values for a definition of hepatopulmonary syndrome were added as vertical lines in addition to those marking PaO2 values of 60 and 65 mm Hg. PaO2, arterial partial pressure of oxygen; AaDO2, alveolar-arterial difference for PaO2.
