Hepatopulmonary syndrome (HPS) is a condition that affects individuals with liver disease and is characterized by low levels of oxygen in the blood. There are several synonyms for hepatopulmonary syndrome, including hepatic lung syndrome, pulmonary vascular dilatation, and hypoxic respiratory failure. Other related terms used to describe this condition include hepatic hypoxemia, respiratory abnormalities, and pulmonary hypertension. HPS is a serious condition that requires prompt medical attention as it can lead to life-threatening complications such as liver failure. Therefore, it's crucial to seek medical advice if you experience any symptoms related to HPS, such as shortness of breath, fatigue, or chest pain.