5 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
AVMs, Hepatopulmonary ... Syndrome - ... UnremarkableLab #AA ... #Gradient #alveolar ... #Hypoxia #hypoxemia
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
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
obesity-hypoventilation syndrome ... direction leads to hypoxemia ... AVMs, hepatopulmonary ... syndrome), intracardiac ... Respiratory #Failure #hypoxia
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Hepatopulmonary ... Syndrome - Diagnosis ... absence of intrinsic lung ... Arterial blood gas (ABC ... 80mmHg or A-a gradient
Hepatopulmonary Syndrome - Illness Script
HPS is a pulmonary disorder of chronic liver disease characterized by a
Hepatopulmonary ... time = increased Aa ... presence in the lower lung ... portal HTN • Aa ... gradient ≥15 mmHg