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

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Rapid Response Management ... asthma • Pleural disease ... atelectasis • Lung ... #Hypoxia #differential ... #Diagnosis #Management
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Diagnosis Algorithm ... Pulmonary Arterial ... Hypoxemia: • COPD ... Miscellaneous: • Hematologic
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
- Workup and Management ... Differential Diagnosis ... (JVP, edema), Lung ... STAT CXR, CTA Chest ... #diagnosis #Management
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... neuromuscular disease ... , ↓ chest wall compliance ... #Hypoxia #Differential ... #pulmonary #Aa
Nail Clubbing - Differential Diagnosis Algorithm
Bronchopulmonary Disease
 • Bronchiectasis
 • Chronic Lung Infection
 • Lung Cancer
Nail Clubbing - Differential ... Diagnosis Algorithm ... Infection • Lung ... Fibrosis • Chronic Hypoxia ... #Differential #
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Embolism, Obstructive Lung ... , Interstitial Lung ... #Hypoxia #hypoxemia ... #differential # ... diagnosis
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
due to lung disease ... and/or hypoxia ... lung disease Other ... Classification #Diagnosis ... #Differential #
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Secondary to chronic lung ... disease (COPD) ... • HypoxiaPulmonary ... MAT #Cardiology #Diagnosis ... #ECG #EKG #Management
Hepatopulmonary Syndrome (HPS) 

HPS-differential diagnosis:
1. Pulmonary vasculature
2. Diseases of the lung parenchyma
3. Pleura and diaphragm

HPS-diagnosis:
1. Patients
(HPS) HPS-differential ... Diseases of the ... lung parenchyma ... Syndrome #HPS #hepatology ... #pulmonary #diagnosis