7 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Algorithm by A-a Gradient ... Normal A-a Gradient ... compliance ↑ A-a Gradient ... Diagnosis #Algorithm #pulmonary ... #Aa #Gradient
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Approach to the A-a Gradient ... A-a gradient = ... PAO2 - PaO2 A-a gradient ... A-a Gradient ≤ ... UnremarkableLab #AA
Ascites - Diagnosis and Management Summary
Paracentesis studies: cell count + differential, albumin, protein, culture
 • Serum-ascites-albumin-gradient
Diagnosis and Management ... Serum-ascites-albumin-gradient ... (SAAG): > 1.1 g ... Ascites #Diagnosis #Management ... Summary #Hepatology #SAAG
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Diagnosis and Management ... cirrhosis • Intra-pulmonary ... perfusion scanning or pulmonary ... 80mmHg or A-a gradient ... SpO2 > 88% • Management
Hepatopulmonary Syndrome - Illness Script
HPS is a pulmonary disorder of chronic liver disease characterized by a
Script HPS is a pulmonary ... time = increased Aa ... gradient • Intrapulmonary ... portal HTN • Aa ... gradient ≥15 mmHg
High Flow Nasal Cannula
Putative beneficial mechanisms of high flow nasal cannula (HFNC) 
oxygen therapy. EELV, end-expiratory
capillary-alveolar gradient ... criticalcare #management ... #pulmonary
Hepatic Hydrothorax
 • Presents as right sided in 85% of cases
 • Fluid studies:
fluid albumin gradient ... may develop • Management ... diagnosis #hepatology #pulmonary