Case Report

Chronic Hepatitis C with Cyanosis

Table 2

Diagnostic criteria for HPS.

Liver diseaseAcute or chronic, with or without portal hypertension

Impaired oxygenationA-a oxygen gradient ≥15 mmHg or
A-a oxygen gradient ≥ 20 mmHg in patients > 64 years old

Intrapulmonary vascular dilatationContrast-enhanced echocardiography