5 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
AVMs, Hepatopulmonary ... Syndrome - ... : Atelectasis, ARDS ... , Interstitial Lung ... #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 ... Syndrome (HPS) ... Diseases of the lung ... Alveolar-arterial oxygen gradient ... HPS-severity classification
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

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

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic cough • Hypoxia ... • Mounier-Kuhn syndrome ... dyskinesia • Young syndrome ... in the adjacent lung ... of the affected lung