9 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... #Hypoxia #Differential ... #Diagnosis #Algorithm ... #pulmonary #Aa
Diagnosis of ascites according to the serum ascites albumin gradient (SAAG)
SAAG ≥ 1.1:
 - Ascitic protein
ascites albumin gradient ... (SAAG) SAAG ≥ ... Late Budd-Chiari syndrome ... ascites #albumin #gradient ... differential #diagnosis #algorithm
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... Intracardiac, Pulmonary ... Hepatopulmonary Syndrome ... V/Q Mismatch: Pulmonary ... #Hypoxia #hypoxemia
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Differential Diagnosis Algorithm ... Hypoventilation Syndrome ... #Diagnosis #Algorithm ... #Causes #Pulmonary
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
obesity-hypoventilation syndrome ... lung diseases, pulmonary ... gravity-dependent gradients ... asthma, COPD, pulmonary ... hepatopulmonary syndrome
Hepatopulmonary Syndrome (HPS) Diagnosis Algorithm
Bubble echo is the first piece of the puzzle. The nail on
Hepatopulmonary Syndrome ... HPS) Diagnosis Algorithm ... the dx is an A-a gradient ... Hepatopulmonary #Syndrome ... #hepatology #pulmonary
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Hepatopulmonary Syndrome ... upright position • Hypoxemia ... cirrhosis • Intra-pulmonary ... 80mmHg or A-a gradient ... hepatopulmonary #syndrome
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Differential Diagnosis Algorithm ... Respiratory: • Pulmonary ... Embolism • Hypoxia ... • Sick Sinus Syndrome ... • Tachy-Brady Syndrome
Causes of Intrauterine Growth Restriction / Small for Gestational Age - Differential Diagnosis Algorithm
Fetal Factors:
 -
Differential Diagnosis Algorithm ... • Turner syndrome ... Drugs - Maternal Hypoxemia ... • Pulmonary ... Differential #Diagnosis #Algorithm