19 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Arterial Hypertension ... Defect ** • Atrial ... Abnormalities #Hypoxemia ... #Hypoxia #Differential
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
oxygen dissolved in arterial ... hemoglobin in arterial ... oxygen content of arterial ... #pulmonary #differential ... #diagnosis #causes
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
obesity-hypoventilation syndrome ... direction leads to hypoxemia ... hepatopulmonary syndrome ... shunting (eg, atrial ... Respiratory #Failure #hypoxia
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
ARRYTHMIA • ATRIAL ... FIBRILLATION • ATRIAL ... PARKINSON WHITE SYNDROME ... TACHYCARDIA • ATRIAL ... DISEASE • HYPOXIA
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Diagnosis Algorithm Pulmonary ... Arterial Hypertension ... Disease and/or Hypoxemia ... Diagnosis #Algorithm #Causes
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... Hepatopulmonary Syndrome ... Gradient #alveolar #arterial ... #pulmonary #Hypoxia ... #hypoxemia #differential
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Summary A defect in arterial ... upright position • Hypoxemia ... cycles after right atrial ... passage • Arterial ... Quantifies degree of hypoxemia
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
Classification of Pulmonary ... Pulmonary arterial ... arterial hypertension ... disease and/or hypoxia ... #Differential #Causes
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
usually: - hypoxemia ... patient with shock/hypoxemia ... hypoperfusion/ hypoxemia ... ’s • Reduced Arterial ... Oxygen Content: - Hypoxemia
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 ... polycythemia from chronic hypoxia ... CT) • Broncho-arterial