4 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 ... Pulmonary vasculature ... 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 -
Intracardiac, Pulmonary ... AVMs, Hepatopulmonary ... : Atelectasis, ARDS ... Embolism, Obstructive Lung ... , Interstitial Lung
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
, inflammatory lung ... injury, leading ... to increased pulmonary ... consistent with pulmonary ... detected on CT or CXR
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Hepatopulmonary ... absence of intrinsic lung ... cirrhosis • Intra-pulmonary ... on radioactive lung ... 80mmHg or A-a gradient