19 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Interstitial lung ... diseasePulmonary ... Abnormalities #Hypoxemia ... #Hypoxia #Differential
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Hypoxemia / Hypoxia ... asthma • Pleural disease ... atelectasis • Lung ... Sophia_Hayes_MD #Hypoxemia ... #Hypoxia #differential
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... Secondary to chronic lung ... disease (COPD) ... • HypoxiaPulmonary ... #Multifocal #Atrial
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Pulmonary Arterial ... • Valvular Lung ... Hypoxemia: • COPD ... • Interstitial Lung
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
: Interstitial lung ... diseases, pulmonary ... direction leads to hypoxemia ... shunting (eg, atrial ... Respiratory #Failure #hypoxia
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Embolism, Obstructive Lung ... , Interstitial Lung ... Gradient #alveolar #arterial ... #pulmonary #Hypoxia ... #hypoxemia #differential
Diagnostic algorithm for a child or adolescent with suspected pulmonary hypertension. CHD, congenital heart disease; CPET,
Diagnostic algorithm ... congenital heart disease ... ; CLD, chronic lung ... Diagnosis #Peds #Pediatrics ... #Workup #Algorithm
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
Pulmonary arterial ... due to lung disease ... and/or hypoxia ... lung disease Other ... pulmonary disease
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
absence of intrinsic lung ... upright position • Hypoxemia ... cycles after right atrial ... Quantifies degree of hypoxemia ... on radioactive lung
ExtraCorporeal Membrane Oxygenation (ECMO) Fundamentals
Definitions:
 • ExtraCorporeal Membrane Oxygenation (ECMO) provides prolonged pulmonary and/or circulatory support
provides prolonged pulmonary ... Venous side (right atrium ... VV: Refractory hypoxemia ... cannula • VA: Pulmonary ... Oxygenation #diagnosis #management