6 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... AVMs, Hepatopulmonary ... Syndrome - ... , 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
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 ... upright position • Hypoxemia ... Arterial blood gas (ABC ... Quantifies degree of hypoxemia ... 80mmHg or A-a gradient
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 ... consistent with pulmonary
Bronchiectasis - Summary

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