27 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Differential Diagnosis Algorithm ... • Interstitial lung ... Abnormalities • Chest ... #Diagnosis #Algorithm
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... neuromuscular disease, ↓ chest ... #Diagnosis #Algorithm ... #pulmonary #Aa
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Response Management Algorithm ... atelectasis • Lung ... MG, ALS) • ↓ chest ... compliance (e.g., flail chest ... #rapid #pulmonary
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
(JVP, edema), Lung ... Exam, POCUS (B-lines ... , lung sliding) ... STAT CXR, CTA Chest ... , Echocardiogram
Hemothorax on Lung POCUS with Spine Sign

GSW to left chest.  Perisplenic window focusing on lower
POCUS with Spine ... Sign GSW to ... left chest. ... focusing on lower chest ... ultrasound #Pulmonary
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
on POCUS Echocardiogram ... 's female with chest ... RV, McConnell's sign ... #Echocardiogram ... cardiology #McConnells #sign
COVID-19 on Lung POCUS - Day 2

Day 2 after COVID diagnosis. Less sore throat, cough &
COVID-19 on Lung ... breath or pleuritic chest ... bilateral pleural effusion ... #ultrasound #pulmonary ... #Effusion
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... Embolism, Obstructive Lung ... , Interstitial Lung ... #Hypoxia #hypoxemia
Split Pleura Sign on Chest CT
 • Contrast enhancement of the parietal and visceral pleura, separated
Split Pleura Sign ... on Chest CT • ... by an exudative effusion ... Split #Pleura #Sign ... #CT #Lung #Pulmonary
Empyema Necessitans (EN) on Chest POCUS

Pulmonary teaching case: you are called to the bedside of a
Necessitans (EN) on Chest ... POCUS Pulmonary ... infected pleural effusion ... erodes into the chest ... #Chest #Lung