25 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 ... MG, ALS) • ↓ chest ... #Hypoxia #differential
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
- Workup and Management ... Differential Diagnosis ... (JVP, edema), Lung ... POCUS (B-lines, lung ... STAT CXR, CTA Chest
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... , Interstitial Lung ... #Hypoxia #hypoxemia ... #differential #
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Secondary to chronic lung ... disease (COPD) ... • HypoxiaPulmonary ... hypertension Management ... Tachycardia #MAT #Cardiology
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
Chronic hemolytic anemia ... due to lung disease ... and/or hypoxia ... lung disease Other ... Classification #Diagnosis #Differential
Pulmonary Hypertension Groups - WHO Classification
Group I - Vascular remodeling of pulmonary arteries
 • Idiopathic, HIV,
III - Chronic lung ... hypoxemia • COPD ... chronic hemolytic anemia ... dyspnea, fatigue, or chest ... dyspnea, fatigue, chest
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
SYSTEMIC • ANAEMIA ... PHAEOCHROMOCYTOMA • PULMONARY ... DISEASEHYPOXIA ... Palpitations #Causes #Differential ... #Diagnosis #Cardiology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
and Management ... Leukocytosis, anemia ... Abscess Differential ... #Abscess #pulmonary ... #differential #
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Upper Lobe Lung ... caused by a rigid chest ... Pulmonary Diseases ... #diseases #differential ... #STARCHASERS #radiology