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

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Rapid Response Management ... asthma • Pleural disease ... atelectasis • Lung ... Hypoventilation: • CNS ... #Hypoxia #differential
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Hypertension - Differential ... Arterial Hypertension ... • Valvular Lung ... Hypoxemia: • COPD
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Failure - Differential ... : Interstitial lung ... diseases, pulmonary ... shunting (eg, atrial ... #Differential #
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS ... Embolism, Obstructive Lung ... , Interstitial Lung ... #pulmonary #Hypoxia ... #hypoxemia #differential
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
ARRYTHMIA • ATRIAL ... PHAEOCHROMOCYTOMA • PULMONARY ... DISEASEHYPOXIA ... Palpitations #Causes #Differential ... #Diagnosis #Cardiology
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 ... Classification #Diagnosis #Differential
Right-Sided Heart Failure - Differential Diagnosis Algorithm
Cardiac Causes - Rule out Left-Sided Heart Failure (Most Common):
Heart Failure - Differential ... Diffuse Lung Disease ... Arterial Hypertension ... #HeartFailure #Cardiology ... #Differential #
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
absence of intrinsic lung ... upright position • Hypoxemia ... Quantifies degree of hypoxemia ... cirrhosis • Intra-pulmonary ... on radioactive lung