3 results
Hepatopulmonary Syndrome (HPS) 

HPS-differential diagnosis:
1. Pulmonary vasculature
2. Diseases of the lung parenchyma
3. Pleura and diaphragm

HPS-diagnosis:
1. Patients
Hepatopulmonary ... Diseases of the lung ... Alveolar-arterial ... oxygen gradient ... HPS-severity classification
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Alveolar Hypoventilation ... AVMs, Hepatopulmonary ... Embolism, Obstructive Lung ... , Interstitial Lung ... #alveolar #arterial
Hepatopulmonary Syndrome - Illness Script
HPS is a pulmonary disorder of chronic liver disease characterized by a
Hepatopulmonary ... leads to impaired arterial ... = increased Aa gradient ... presence in the lower lung ... • Aa gradient